diff --git a/include/cereader_tool.h b/include/cereader_tool.h
index 5dd0a7589..5cb5a9ebc 100644
--- a/include/cereader_tool.h
+++ b/include/cereader_tool.h
@@ -46,7 +46,6 @@ struct EReaderTrainerTowerSet
 bool32 ValidateTrainerTowerData(struct EReaderTrainerTowerSet * ttdata);
 bool32 CEReaderTool_SaveTrainerTower(struct EReaderTrainerTowerSet * ttdata);
 bool32 CEReaderTool_LoadTrainerTower(struct EReaderTrainerTowerSet * ttdata);
-u8 sub_815D654(void);
 bool32 ReadTrainerTowerAndValidate(void);
 
 #endif //GUARD_CEREADER_TOOL_H
diff --git a/include/field_specials.h b/include/field_specials.h
index 08518da03..7bc1e6ad1 100644
--- a/include/field_specials.h
+++ b/include/field_specials.h
@@ -16,8 +16,7 @@ s32 CountDigits(s32 number);
 void TV_PrintIntToStringVar(u8 varidx, s32 number);
 u16 GetStarterSpecies(void);
 void StopPokemonLeagueLightingEffectTask(void);
-void nullsub_60(void);
-void nullsub_61(void);
+void FieldCB_ShowPortholeView(void);
 u8 ContextNpcGetTextColor(void);
 void SetPCBoxToSendMon(u8);
 u16 GetPCBoxToSendMon(void);
diff --git a/include/help_message.h b/include/help_message.h
index 61b3787b2..b75abc77e 100644
--- a/include/help_message.h
+++ b/include/help_message.h
@@ -7,6 +7,6 @@ void DestroyHelpMessageWindow(u8 a0);
 u8 CreateHelpMessageWindow(void);
 void PrintTextOnHelpMessageWindow(const u8 * text, u8 mode);
 void MapNamePopupWindowIdSetDummy(void);
-void sub_8112F18(u8 windowId);
+void DrawHelpMessageWindowTilesById(u8 windowId);
 
 #endif //GUARD_HELP_MESSAGE_H
diff --git a/include/link_rfu.h b/include/link_rfu.h
index 1792781ff..e003989c4 100644
--- a/include/link_rfu.h
+++ b/include/link_rfu.h
@@ -303,6 +303,6 @@ void sub_80FB030(u32 a0);
 void ClearRecvCommands(void);
 
 #include "mevent_server.h"
-extern const struct mevent_server_cmd gMEventSrvScript_OtherTrainerCanceled[];
+extern const struct mevent_server_cmd gServerScript_ClientCanceledCard[];
 
 #endif //GUARD_LINK_RFU_H
diff --git a/include/new_menu_helpers.h b/include/new_menu_helpers.h
index fd7e52547..3f1f074a7 100644
--- a/include/new_menu_helpers.h
+++ b/include/new_menu_helpers.h
@@ -35,7 +35,7 @@ void ClearDialogWindowAndFrame(u8 windowId, bool8 copyToVram);
 void ClearStdWindowAndFrame(u8 windowId, bool8 copyNow);
 void EraseFieldMessageBox(bool8 copyToVram);
 void SetStdWindowBorderStyle(u8 windowId, bool8 copyToVram);
-void sub_80F7768(u8 windowId, bool8 copyToVram);
+void LoadMessageBoxAndFrameGfx(u8 windowId, bool8 copyToVram);
 void Menu_LoadStdPal(void);
 void Menu_LoadStdPalAt(u16 offset);
 void DisplayItemMessageOnField(u8 taskId, u8 fontId, const u8 *src, TaskFunc callback);
diff --git a/include/strings.h b/include/strings.h
index 222ed935d..28d425cb0 100644
--- a/include/strings.h
+++ b/include/strings.h
@@ -761,7 +761,7 @@ extern const u8 gText_QuitLooking[];
 extern const u8 gText_FreshWater[];
 extern const u8 gText_SodaPop[];
 extern const u8 gText_Lemonade[];
-extern const u8 gText_Bicycle_1000000[];
+extern const u8 gText_Bicycle_Price[];
 extern const u8 gText_NoThanks[];
 extern const u8 gText_Abra_180Coins[];
 extern const u8 gText_Clefairy_500Coins[];
diff --git a/src/bag.c b/src/bag.c
index cd3b77aa2..c2e8f869a 100644
--- a/src/bag.c
+++ b/src/bag.c
@@ -189,7 +189,7 @@ static const struct WindowTemplate sWindowTemplates[] = {
     }
 };
 
-static const u8 sUnused_8453174[] = {16, 8, 4};
+static const u8 sUnused[] = {16, 8, 4};
 
 static EWRAM_DATA u8 sOpenWindows[11] = {};
 
diff --git a/src/battle_controller_opponent.c b/src/battle_controller_opponent.c
index 88eeda2a2..19ad30441 100644
--- a/src/battle_controller_opponent.c
+++ b/src/battle_controller_opponent.c
@@ -151,8 +151,8 @@ static void (*const sOpponentBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
     OpponentCmdEnd
 };
 
-// not used
-static const u8 gUnknown_8250B18[] = { 0xB0, 0xB0, 0xC8, 0x98, 0x28, 0x28, 0x28, 0x20 };
+// unknown unused data
+static const u8 sUnused[] = { 0xB0, 0xB0, 0xC8, 0x98, 0x28, 0x28, 0x28, 0x20 };
 
 static void OpponentDummy(void)
 {
diff --git a/src/battle_controller_player.c b/src/battle_controller_player.c
index 2c94f1978..7928a7031 100644
--- a/src/battle_controller_player.c
+++ b/src/battle_controller_player.c
@@ -170,8 +170,8 @@ static void (*const sPlayerBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
 
 static const u8 sTargetIdentities[] = { B_POSITION_PLAYER_LEFT, B_POSITION_PLAYER_RIGHT, B_POSITION_OPPONENT_RIGHT, B_POSITION_OPPONENT_LEFT };
 
-// not used
-static const u8 gUnknown_8250984[] = { 0x48, 0x48, 0x20, 0x5a, 0x50, 0x50, 0x50, 0x58 };
+// unknown unused data
+static const u8 sUnused[] = { 0x48, 0x48, 0x20, 0x5a, 0x50, 0x50, 0x50, 0x58 };
 
 void BattleControllerDummy(void)
 {
diff --git a/src/battle_controller_pokedude.c b/src/battle_controller_pokedude.c
index fbf9977a4..83c44a19c 100644
--- a/src/battle_controller_pokedude.c
+++ b/src/battle_controller_pokedude.c
@@ -181,8 +181,8 @@ static void (*const sPokedudeBufferCommands[CONTROLLER_CMDS_COUNT])(void) =
         PokedudeCmdEnd,
     };
 
-// not used
-static const u8 gUnknown_8479000[] = { 0x48, 0x48, 0x20, 0x5a, 0x50, 0x50, 0x50, 0x58 };
+// unknown unused data
+static const u8 sUnused[] = { 0x48, 0x48, 0x20, 0x5a, 0x50, 0x50, 0x50, 0x58 };
 
 #define pdHealthboxPal1  simulatedInputState[0]
 #define pdHealthboxPal2  simulatedInputState[1]
diff --git a/src/battle_intro.c b/src/battle_intro.c
index c7a0da2b7..0b5b81ef0 100644
--- a/src/battle_intro.c
+++ b/src/battle_intro.c
@@ -479,8 +479,8 @@ void CopyBattlerSpriteToBg(s32 bgId, u8 x, u8 y, u8 battlerPosition, u8 palno, u
     LoadBgTilemap(bgId, tilemapDest, BG_SCREEN_SIZE, 0);
 }
 
-// not used
-static void sub_80BCFCC(u8 arg0, u8 arg1, u8 battlerPosition, u8 arg3, u8 arg4, u16 arg5, u8 arg6, u8 arg7)
+// Unused
+static void DrawBattlerOnBgDMA(u8 arg0, u8 arg1, u8 battlerPosition, u8 arg3, u8 arg4, u16 arg5, u8 arg6, u8 arg7)
 {
     s32 i, j, offset;
 
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index bf947b4fd..9afeb1e58 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -813,8 +813,8 @@ static const u8 sBallCatchBonuses[] =
     [ITEM_SAFARI_BALL - ITEM_ULTRA_BALL] = 15
 };
 
-// not used
-static const u32 gUnknown_8250898 = 0xFF7EAE60;
+// unknown unused data
+static const u32 sUnused = 0xFF7EAE60;
 
 static void Cmd_attackcanceler(void)
 {
diff --git a/src/battle_setup.c b/src/battle_setup.c
index 375ba3d43..c056bba39 100644
--- a/src/battle_setup.c
+++ b/src/battle_setup.c
@@ -390,20 +390,20 @@ void StartRegiBattle(void)
     IncrementGameStat(GAME_STAT_WILD_BATTLES);
 }
 
-// not used
-static void sub_807FAF8(void)
+// Unused
+static void EndPokedudeBattle(void)
 {
     LoadPlayerParty();
     CB2_EndWildBattle();
 }
 
-// not used
-static void sub_807FB08(void)
+// Unused
+static void StartPokedudeBattle(void)
 {
     LockPlayerFieldControls();
     FreezeObjectEvents();
     StopPlayerAvatar();
-    gMain.savedCallback = sub_807FAF8;
+    gMain.savedCallback = EndPokedudeBattle;
     SavePlayerParty();
     InitPokedudePartyAndOpponent();
     CreateBattleStartTask(GetWildBattleTransition(), 0);
diff --git a/src/battle_tower.c b/src/battle_tower.c
index 134e82a11..9ec6d3838 100644
--- a/src/battle_tower.c
+++ b/src/battle_tower.c
@@ -41,13 +41,14 @@ static u16 GetCurrentBattleTowerWinStreak(u8 levelType);
 static void SetEReaderTrainerChecksum(struct BattleTowerEReaderTrainer * eReaderTrainer);
 static void PrintEReaderTrainerFarewellMessage(void);
 
-const u8 unref_83FFAAC[] = {
-    0x05, 0x04, 0x01, 0x10, 0x04, 0x02, 0x05, 0x06,
-    0x03, 0x10, 0x06, 0x04, 0x00, 0x01, 0x02, 0x03,
-    0x00, 0x02, 0x03
+// unknown unused data
+static const u8 sUnused[] = {
+    5, 4, 1, 16, 4, 2, 5, 6,
+    3, 16, 6, 4, 0, 1, 2, 3,
+    0, 2, 3
 };
 
-const u8 unref_83FFABF[] = _("100");
+static const u8 sText_100[] = _("100");
 
 static const struct BattleTowerTrainer sBattleTowerTrainers[] =
 {
diff --git a/src/berry_crush.c b/src/berry_crush.c
index 5a5d81e81..d116a112f 100644
--- a/src/berry_crush.c
+++ b/src/berry_crush.c
@@ -659,7 +659,7 @@ static const u32 sBg_Tilemap[] = INCBIN_U32("graphics/berry_crush/bg.bin.lz");
 
 // Takes the number of players - 2 and a player id and returns the
 // index into sPlayerCoords where that player should be seated
-static const u8 gUnknown_846F280[MAX_RFU_PLAYERS - 1][MAX_RFU_PLAYERS] = {
+static const u8 sPlayerIdToPosId[MAX_RFU_PLAYERS - 1][MAX_RFU_PLAYERS] = {
     {1, 3},
     {0, 1, 3},
     {1, 3, 2, 4},
@@ -3221,7 +3221,7 @@ static void CreatePlayerNameWindows(struct BerryCrushGame * game)
 
     for (i = 0; i < game->playerCount; ++i)
     {
-        game->gfx.playerCoords[i] = &sPlayerCoords[gUnknown_846F280[game->playerCount - 2][i]];
+        game->gfx.playerCoords[i] = &sPlayerCoords[sPlayerIdToPosId[game->playerCount - 2][i]];
         game->gfx.nameWindowIds[i] = AddWindow(&sWindowTemplates_PlayerNames[game->gfx.playerCoords[i]->playerId]);
         PutWindowTilemap(game->gfx.nameWindowIds[i]);
         FillWindowPixelBuffer(game->gfx.nameWindowIds[i], PIXEL_FILL(0));
diff --git a/src/braille_text.c b/src/braille_text.c
index c58df8e8e..ae61842bd 100644
--- a/src/braille_text.c
+++ b/src/braille_text.c
@@ -4,7 +4,11 @@
 #include "text.h"
 #include "sound.h"
 
-static const u8 gUnknown_846FB08[] = {1, 2, 4};
+static const u8 sScrollDistances[] = {
+    [OPTIONS_TEXT_SPEED_SLOW] = 1,
+    [OPTIONS_TEXT_SPEED_MID] = 2,
+    [OPTIONS_TEXT_SPEED_FAST] = 4,
+};
 static const u16 sFont6BrailleGlyphs[] = INCBIN_U16("graphics/fonts/font6.fwjpnfont");
 
 static void DecompressGlyphFont6(u16);
@@ -163,15 +167,15 @@ u16 Font6Func(struct TextPrinter *textPrinter)
         case 4:
             if (textPrinter->scrollDistance)
             {
-                if (textPrinter->scrollDistance < gUnknown_846FB08[gSaveBlock2Ptr->optionsTextSpeed])
+                if (textPrinter->scrollDistance < sScrollDistances[gSaveBlock2Ptr->optionsTextSpeed])
                 {
                     ScrollWindow(textPrinter->printerTemplate.windowId, 0, textPrinter->scrollDistance, PIXEL_FILL(textPrinter->printerTemplate.bgColor));
                     textPrinter->scrollDistance = 0;
                 }
                 else
                 {
-                    ScrollWindow(textPrinter->printerTemplate.windowId, 0, gUnknown_846FB08[gSaveBlock2Ptr->optionsTextSpeed], PIXEL_FILL(textPrinter->printerTemplate.bgColor));
-                    textPrinter->scrollDistance -= gUnknown_846FB08[gSaveBlock2Ptr->optionsTextSpeed];
+                    ScrollWindow(textPrinter->printerTemplate.windowId, 0, sScrollDistances[gSaveBlock2Ptr->optionsTextSpeed], PIXEL_FILL(textPrinter->printerTemplate.bgColor));
+                    textPrinter->scrollDistance -= sScrollDistances[gSaveBlock2Ptr->optionsTextSpeed];
                 }
                 CopyWindowToVram(textPrinter->printerTemplate.windowId, COPYWIN_GFX);
             }
diff --git a/src/cereader_tool.c b/src/cereader_tool.c
index ebe0965ac..395be0bcb 100644
--- a/src/cereader_tool.c
+++ b/src/cereader_tool.c
@@ -10,7 +10,7 @@
 // The trainer tower data exceeds SECTOR_DATA_SIZE. They're allowed to use the full save sector up to the counter field.
 STATIC_ASSERT(SEC30_SIZE + SEC31_SIZE <= SECTOR_COUNTER_OFFSET * 2, EReaderTrainerTowerSetFreeSpace);
 
-u8 sub_815D654(void)
+static u8 GetTrainerHillUnkVal(void)
 {
     return (gSaveBlock1Ptr->trainerTower[0].unk9 + 1) % 256;
 }
@@ -49,7 +49,7 @@ static bool32 CEReaderTool_SaveTrainerTower_r(struct EReaderTrainerTowerSet * tt
 
     memset(buffer, 0, SECTOR_SIZE);
     memcpy(buffer, ttdata, SEC30_SIZE);
-    buffer[1] = sub_815D654();
+    buffer[1] = GetTrainerHillUnkVal();
     if (TryWriteSpecialSaveSector(SECTOR_ID_TRAINER_TOWER_1, buffer) != TRUE)
         return FALSE;
     memset(buffer, 0, SECTOR_SIZE);
diff --git a/src/coins.c b/src/coins.c
index c4d0819a8..2de263bb1 100644
--- a/src/coins.c
+++ b/src/coins.c
@@ -49,14 +49,15 @@ bool8 RemoveCoins(u16 toSub)
     return FALSE;
 }
 
-void PrintCoinsString_Parameterized(u8 windowId, u32 coinAmount, u8 x, u8 y, u8 speed)
+static void PrintCoinsString_Parameterized(u8 windowId, u32 coinAmount, u8 x, u8 y, u8 speed)
 {
     ConvertIntToDecimalStringN(gStringVar1, coinAmount, STR_CONV_MODE_RIGHT_ALIGN, 4);
     StringExpandPlaceholders(gStringVar4, gText_Coins);
     AddTextPrinterParameterized(windowId, FONT_0, gStringVar4, x, y, speed, NULL);
 }
 
-void sub_80D0674(u8 windowId, u16 tileStart, u8 palette, u32 coinAmount)
+// Unused
+static void ShowCoinsWindow_Parameterized(u8 windowId, u16 tileStart, u8 palette, u32 coinAmount)
 {
     DrawStdFrameWithCustomTileAndPalette(windowId, FALSE, tileStart, palette);
     AddTextPrinterParameterized(windowId, FONT_2, gText_Coins_2, 0, 0, 0xFF, 0);
diff --git a/src/credits.c b/src/credits.c
index 5252ea682..daa03fb69 100644
--- a/src/credits.c
+++ b/src/credits.c
@@ -346,7 +346,7 @@ static const u32 sWindow2Map_Blastoise[] = INCBIN_U32("graphics/credits/unk_840F
 static const u32 sWindow1Map_Pikachu[] = INCBIN_U32("graphics/credits/unk_8410198.bin.lz");
 static const u32 sWindow2Map_Pikachu[] = INCBIN_U32("graphics/credits/unk_84105B4.bin.lz");
 
-static const u32 filler_8410AFC = 0xF0;
+static const u32 sUnused = 0xF0;
 
 static const u16 sTheEndGfxPal[] = INCBIN_U16("graphics/credits/unk_8410B20.gbapal");
 static const u8 sTheEndGfxTiles[] = INCBIN_U8("graphics/credits/unk_8410B20.4bpp.lz");
diff --git a/src/decompress.c b/src/decompress.c
index ea61482d0..f4740f917 100644
--- a/src/decompress.c
+++ b/src/decompress.c
@@ -116,7 +116,7 @@ static void Unused_LZDecompressWramIndirect(const void **src, void *dest)
     LZ77UnCompWram(*src, dest);
 }
 
-static void sub_800EDDC(s32 object_size, s32 object_count, u8 *src_tiles, u8 *dest_tiles)
+static void StitchObjectsOn8x8Canvas(s32 object_size, s32 object_count, u8 *src_tiles, u8 *dest_tiles)
 {
     /*
       This function appears to emulate behaviour found in the GB(C) versions regarding how the Pokemon images
diff --git a/src/evolution_graphics.c b/src/evolution_graphics.c
index e0ec9197e..3b52e06d1 100644
--- a/src/evolution_graphics.c
+++ b/src/evolution_graphics.c
@@ -79,7 +79,7 @@ static const u16 sEvolutionSparkleMatrixScales[12] = {
     0x100
 };
 
-static const s16 sUnref_841EF28[][2] = {
+static const s16 sUnused[][2] = {
     {-4, 0x10},
     {-3, 0x30},
     {-2, 0x50},
diff --git a/src/evolution_scene.c b/src/evolution_scene.c
index 2531cfc31..c26869606 100644
--- a/src/evolution_scene.c
+++ b/src/evolution_scene.c
@@ -72,9 +72,9 @@ static const u16 sBgAnim_Pal[] = INCBIN_U16("graphics/evolution_scene/transition
 
 static const u8 sText_ShedinjaJapaneseName[] = _("ヌケニン");
 
-static const u8 unref_83F8445[] = _("{COLOR DARK_GRAY}{HIGHLIGHT WHITE}{SHADOW LIGHT_GRAY}");
+static const u8 sText_UnusedColors[] = _("{COLOR DARK_GRAY}{HIGHLIGHT WHITE}{SHADOW LIGHT_GRAY}");
 
-static const u8 unref_83F844F[][10] = {
+static const u8 sText_UnusedArrows[][10] = {
     _("▶\n "),
     _(" \n▶"),
     _(" \n ")
diff --git a/src/fame_checker.c b/src/fame_checker.c
index 36516b986..ba37cdc14 100644
--- a/src/fame_checker.c
+++ b/src/fame_checker.c
@@ -530,7 +530,7 @@ static const struct SpriteTemplate sSpriteTemplate_SelectorCursor = {
     SPRITETAG_SELECTOR_CURSOR, SPRITETAG_SELECTOR_CURSOR, &sSelectorCursorOamData, sSelectorCursorAnims, NULL, gDummySpriteAffineAnimTable, SpriteCallbackDummy
 };
 
-static const u8 filler_845FC5C[8] = {}; // ???
+static const u8 sUnused[8] = {}; // ???
 
 static const struct OamData sQuestionMarkTileOamData = {
     .shape = ST_OAM_V_RECTANGLE,
diff --git a/src/field_camera.c b/src/field_camera.c
index 6f3f0979b..e2839d76e 100644
--- a/src/field_camera.c
+++ b/src/field_camera.c
@@ -34,7 +34,7 @@ static void CameraPanningCB_PanAhead(void);
 static struct FieldCameraOffset sFieldCameraOffset;
 static s16 sHorizontalCameraPan;
 static s16 sVerticalCameraPan;
-static u8 gUnknown_3000E9C;
+static u8 sBikeCameraPanFlag;
 static void (*sFieldCameraPanningCallback)(void);
 
 struct CameraObject gFieldCamera;
@@ -513,7 +513,7 @@ void SetCameraPanning(s16 a, s16 b)
 void InstallCameraPanAheadCallback(void)
 {
     sFieldCameraPanningCallback = CameraPanningCB_PanAhead;
-    gUnknown_3000E9C = 0;
+    sBikeCameraPanFlag = FALSE;
     sHorizontalCameraPan = 0;
     sVerticalCameraPan = 32;
 }
@@ -540,13 +540,13 @@ static void CameraPanningCB_PanAhead(void)
         // this code is never reached.
         if (gPlayerAvatar.tileTransitionState == 1)
         {
-            gUnknown_3000E9C ^= 1;
-            if (gUnknown_3000E9C == 0)
+            sBikeCameraPanFlag ^= 1;
+            if (sBikeCameraPanFlag == FALSE)
                 return;
         }
         else
         {
-            gUnknown_3000E9C = 0;
+            sBikeCameraPanFlag = FALSE;
         }
 
         var = GetPlayerMovementDirection();
diff --git a/src/field_fadetransition.c b/src/field_fadetransition.c
index 04978adda..f2e8826b5 100644
--- a/src/field_fadetransition.c
+++ b/src/field_fadetransition.c
@@ -616,7 +616,7 @@ static void DoPortholeWarp(void) // Unused
     LockPlayerFieldControls();
     WarpFadeOutScreen();
     CreateTask(Task_Teleport2Warp, 10);
-    gFieldCallback = nullsub_60;
+    gFieldCallback = FieldCB_ShowPortholeView;
 }
 
 static void Task_CableClubWarp(u8 taskId)
diff --git a/src/field_player_avatar.c b/src/field_player_avatar.c
index 45081c1cc..a198999b6 100644
--- a/src/field_player_avatar.c
+++ b/src/field_player_avatar.c
@@ -442,7 +442,7 @@ static bool8 ForcedMovement_MatSpin(void)
     return TRUE;
 }
 
-static void (*const gUnknown_835B814[])(u8, u16) = {
+static void (*const sPlayerNotOnBikeFuncs[])(u8, u16) = {
     PlayerNotOnBikeNotMoving,
     PlayerNotOnBikeTurningInPlace,
     PlayerNotOnBikeMoving
@@ -450,7 +450,7 @@ static void (*const gUnknown_835B814[])(u8, u16) = {
 
 void MovePlayerNotOnBike(u8 direction, u16 heldKeys)
 {
-    gUnknown_835B814[CheckMovementInputNotOnBike(direction)](direction, heldKeys);
+    sPlayerNotOnBikeFuncs[CheckMovementInputNotOnBike(direction)](direction, heldKeys);
 }
 
 static u8 CheckMovementInputNotOnBike(u8 direction)
@@ -1733,7 +1733,7 @@ static bool8 Fishing4(struct Task *task)
 {
     u32 randVal;
 
-    sub_80F7768(0, TRUE);
+    LoadMessageBoxAndFrameGfx(0, TRUE);
     task->tStep++;
     task->tFrameCounter = 0;
     task->tNumDots = 0;
diff --git a/src/field_special_scene.c b/src/field_special_scene.c
index 327426231..90910bc56 100644
--- a/src/field_special_scene.c
+++ b/src/field_special_scene.c
@@ -1,23 +1,23 @@
 #include "global.h"
 
-static u32 sub_80A0E78(void)
+static u32 FieldSpecialScene_Dummy0(void)
 {
     return 0;
 }
 
-static void nullsub_57(void)
+static void FieldSpecialScene_Dummy1(void)
 {
 }
 
-static void nullsub_58(void)
+static void FieldSpecialScene_Dummy2(void)
 {
 }
 
-static void nullsub_59(void)
+static void FieldSpecialScene_Dummy3(void)
 {
 }
 
-void nullsub_60(void)
+void FieldCB_ShowPortholeView(void)
 {
 }
 
diff --git a/src/field_specials.c b/src/field_specials.c
index cf500e59f..84ffd75e3 100644
--- a/src/field_specials.c
+++ b/src/field_specials.c
@@ -325,7 +325,7 @@ void SpawnCameraObject(void)
 void RemoveCameraObject(void)
 {
     CameraObjectSetFollowedObjectId(GetPlayerAvatarObjectId());
-    RemoveObjectEventByLocalIdAndMap(127, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup);
+    RemoveObjectEventByLocalIdAndMap(OBJ_EVENT_ID_CAMERA, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup);
 }
 
 void BufferEReaderTrainerName(void)
@@ -333,7 +333,8 @@ void BufferEReaderTrainerName(void)
     CopyEReaderTrainerName5(gStringVar1);
 }
 
-static const u8 sUnused_83F5B04[] = {
+// Unused
+static const u8 sSlotMachineRandomSeeds[] = {
     13,
     14,
     15,
@@ -752,7 +753,8 @@ static const u8 *const sFloorNamePointers[] = {
     gText_Rooftop
 };
 
-static const u8 sUnused_83F5B84[] = {
+// Unused
+static const u8 sFloorNameWidthPadding[] = {
     26,
     26,
     26,
diff --git a/src/field_tasks.c b/src/field_tasks.c
index a1f32b895..5c60b98b9 100644
--- a/src/field_tasks.c
+++ b/src/field_tasks.c
@@ -288,7 +288,8 @@ static void CrackedFloorPerStepCallback(u8 taskId)
     }
 }
 
-static void sub_806ED38(void)
+// Unused
+static void SetHasPokedexAndPokemon(void)
 {
     FlagSet(FLAG_SYS_POKEDEX_GET);
     FlagSet(FLAG_SYS_POKEMON_GET);
diff --git a/src/help_message.c b/src/help_message.c
index bb8975844..425ce88ac 100644
--- a/src/help_message.c
+++ b/src/help_message.c
@@ -47,13 +47,14 @@ void DestroyHelpMessageWindow(u8 a0)
     }
 }
 
-void sub_8112F18(u8 windowId)
+// Creates the bottom bar window that displays help text for e.g. the options in the Start menu
+void DrawHelpMessageWindowTilesById(u8 windowId)
 {
     const u8 *ptr = gHelpMessageWindow_Gfx;
     u8 *buffer;
     u8 i, j;
     u8 width, height;
-    u8 k;
+    u8 tileId;
 
     width = (u8)GetWindowAttribute(windowId, WINDOW_WIDTH);
     height = (u8)GetWindowAttribute(windowId, WINDOW_HEIGHT);
@@ -66,15 +67,15 @@ void sub_8112F18(u8 windowId)
         {
             for (j = 0; j < width; j++)
             {
-                if (i == 0)
-                    k = 0;
-                else if (i == height - 1)
-                    k = 14;
-                else
-                    k = 5;
+                if (i == 0) // Top row
+                    tileId = 0;
+                else if (i == height - 1) // Bottom row
+                    tileId = 14;
+                else // Middle row
+                    tileId = 5; 
                 CpuCopy32(
-                    &ptr[k * 0x20],
-                    &buffer[(i * width + j) * 0x20],
+                    &ptr[tileId * 32],
+                    &buffer[(i * width + j) * 32],
                     32
                 );
             }
@@ -84,9 +85,9 @@ void sub_8112F18(u8 windowId)
     }
 }
 
-static void sub_8112FD0(void)
+static void DrawHelpMessageWindowTiles(void)
 {
-    sub_8112F18(sHelpMessageWindowId);
+    DrawHelpMessageWindowTilesById(sHelpMessageWindowId);
 }
 
 static const u8 sHelpMessageTextColors[3] = {TEXT_COLOR_TRANSPARENT, TEXT_DYNAMIC_COLOR_1, TEXT_COLOR_DARK_GRAY};
@@ -98,7 +99,7 @@ static void PrintHelpMessageText(const u8 *text)
 
 void PrintTextOnHelpMessageWindow(const u8 *text, u8 mode)
 {
-    sub_8112FD0();
+    DrawHelpMessageWindowTiles();
     PrintHelpMessageText(text);
     if (mode)
         CopyWindowToVram(sHelpMessageWindowId, mode);
diff --git a/src/help_system.c b/src/help_system.c
index f29359354..b178fd6ab 100644
--- a/src/help_system.c
+++ b/src/help_system.c
@@ -1646,7 +1646,7 @@ static const u8 *const sHelpSystemSubmenuItemLists[HELPCONTEXT_COUNT * (TOPIC_CO
     NULL,                          NULL,                       NULL,                       NULL,                    NULL  // HELPCONTEXT_UNUSED
 };
 
-static const u16 unref_845BCB0[] = INCBIN_U16("graphics/help_system/unused.bin");
+static const u16 sUnused[] = INCBIN_U16("graphics/help_system/unused.bin");
 
 static const u8 sHelpSystemContextTopicOrder[TOPIC_COUNT] = {
     TOPIC_ABOUT_GAME, 
diff --git a/src/item_menu.c b/src/item_menu.c
index 3ee223343..ae8d98235 100644
--- a/src/item_menu.c
+++ b/src/item_menu.c
@@ -1662,7 +1662,7 @@ void Task_ReturnToBagFromContextMenu(u8 taskId)
     Task_RedrawArrowsAndReturnToBagMenuSelect(taskId);
 }
 
-static void unref_sub_810A288(u8 taskId)
+static void Task_UnusedReturnToBag(u8 taskId)
 {
     s16 *data = gTasks[taskId].data;
     u16 itemsAbove;
diff --git a/src/item_use.c b/src/item_use.c
index 7c5091ccd..a0dfc50f2 100644
--- a/src/item_use.c
+++ b/src/item_use.c
@@ -70,8 +70,10 @@ static void Task_UseFameCheckerFromField(u8 taskId);
 static void Task_BattleUse_StatBooster_DelayAndPrint(u8 taskId);
 static void Task_BattleUse_StatBooster_WaitButton_ReturnToBattle(u8 taskId);
 
-// No clue what this is
-static const u8 sUnref_83E27B4[] = {
+// unknown unused data.
+// It's curiously about the size of an array of values indexed by species (including padding),
+// but the arrangement of values is not sensible (e.g., not giving all "old unown" the same value).
+static const u8 sUnused[] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00,
diff --git a/src/itemfinder.c b/src/itemfinder.c
index 375b4ac38..ba96e6698 100644
--- a/src/itemfinder.c
+++ b/src/itemfinder.c
@@ -104,7 +104,7 @@ static const union AffineAnimCmd *const sArrowAndStarSpriteAffineAnimTable[] = {
     sAffineAnim_Up
 };
 
-static const struct SpriteTemplate gUnknown_84647E4 = {
+static const struct SpriteTemplate sSpriteTemplate_ArrowAndStar = {
     .tileTag = ARROW_TILE_TAG,
     .paletteTag = 0xFFFF,
     .oam = &sArrowAndStarSpriteOamData,
@@ -534,7 +534,7 @@ static void DestroyArrowAndStarTiles(void)
 
 static void CreateArrowSprite(u8 animNum, u8 direction)
 {
-    u8 spriteId = CreateSprite(&gUnknown_84647E4, 120, 76, 0);
+    u8 spriteId = CreateSprite(&sSpriteTemplate_ArrowAndStar, 120, 76, 0);
     gSprites[spriteId].oam.paletteNum = 0;
     StartSpriteAnim(&gSprites[spriteId], animNum);
     gSprites[spriteId].spAnimNum = animNum;
@@ -614,7 +614,7 @@ static void SpriteCallback_DestroyArrow(struct Sprite *sprite)
 
 static u8 CreateStarSprite(void)
 {
-    u8 spriteId = CreateSprite(&gUnknown_84647E4, 120, 76, 0);
+    u8 spriteId = CreateSprite(&sSpriteTemplate_ArrowAndStar, 120, 76, 0);
     gSprites[spriteId].oam.paletteNum = 0;
     gSprites[spriteId].callback = SpriteCallback_Star;
     StartSpriteAnim(&gSprites[spriteId], 4);
diff --git a/src/learn_move.c b/src/learn_move.c
index 7ebdcb27b..283cc4f41 100644
--- a/src/learn_move.c
+++ b/src/learn_move.c
@@ -326,7 +326,7 @@ static const struct WindowTemplate sWindowTemplates[9] = {
     }, DUMMY_WIN_TEMPLATE
 };
 
-static const struct WindowTemplate gUnknown_83FFA8C = {
+static const struct WindowTemplate sMoveRelearnerYesNoMenuTemplate = {
     .bg = 0,
     .tilemapLeft = 21,
     .tilemapTop = 8,
@@ -506,7 +506,7 @@ static void MoveRelearnerStateMachine(void)
         MoveRelearnerMenuHandleInput();
         break;
     case MENU_STATE_PRINT_TEACH_MOVE_PROMPT:
-        CreateYesNoMenu(&gUnknown_83FFA8C, FONT_3, 0, 2, 0x001, 0xE, 0);
+        CreateYesNoMenu(&sMoveRelearnerYesNoMenuTemplate, FONT_3, 0, 2, 0x001, 0xE, 0);
         sMoveRelearner->state++;
         break;
     case MENU_STATE_TEACH_MOVE_CONFIRM :
@@ -531,7 +531,7 @@ static void MoveRelearnerStateMachine(void)
         }
         break;
     case MENU_STATE_PRINT_GIVE_UP_PROMPT:
-        CreateYesNoMenu(&gUnknown_83FFA8C, FONT_3, 0, 2, 0x001, 0xE, 0);
+        CreateYesNoMenu(&sMoveRelearnerYesNoMenuTemplate, FONT_3, 0, 2, 0x001, 0xE, 0);
         sMoveRelearner->state++;
         break;
     case MENU_STATE_GIVE_UP_CONFIRM:
@@ -552,7 +552,7 @@ static void MoveRelearnerStateMachine(void)
         sMoveRelearner->state++;
         break;
     case MENU_STATE_WAIT_FOR_TRYING_TO_LEARN:
-        CreateYesNoMenu(&gUnknown_83FFA8C, FONT_3, 0, 2, 0x001, 0xE, 0);
+        CreateYesNoMenu(&sMoveRelearnerYesNoMenuTemplate, FONT_3, 0, 2, 0x001, 0xE, 0);
         sMoveRelearner->state = 18;
         break;
     case MENU_STATE_CONFIRM_DELETE_OLD_MOVE:
@@ -573,7 +573,7 @@ static void MoveRelearnerStateMachine(void)
         sMoveRelearner->state++;
         break;
     case MENU_STATE_WAIT_FOR_STOP_TEACHING:
-        CreateYesNoMenu(&gUnknown_83FFA8C, FONT_3, 0, 2, 0x001, 0xE, 0);
+        CreateYesNoMenu(&sMoveRelearnerYesNoMenuTemplate, FONT_3, 0, 2, 0x001, 0xE, 0);
         sMoveRelearner->state = 26;
         break;
     case MENU_STATE_CONFIRM_STOP_TEACHING:
diff --git a/src/link_rfu_3.c b/src/link_rfu_3.c
index 06f01ad80..076a03943 100644
--- a/src/link_rfu_3.c
+++ b/src/link_rfu_3.c
@@ -559,49 +559,60 @@ static bool8 RfuUnusedQueue_Enqueue(struct RfuUnusedQueue *queue, u8 *dest)
 }
 
 // Unused
-static void sub_80FC9B8(u8 *q1, u8 mode)
+// Populates an array with a sequence of numbers (which numbers depends on the mode)
+// and sets the final element to the total of the other elements
+#define SEQ_ARRAY_MAX_SIZE 200
+static void PopulateArrayWithSequence(u8 *arr, u8 mode)
 {
     s32 i;
     u8 rval;
-    u16 r5 = 0;
+    u16 total = 0;
     static u8 counter;
 
     switch (mode)
     {
-        case 0:
-            for (i = 0; i < 200; i++)
-            {
-                q1[i] = i + 1;
-                r5 += i + 1;
-            }
-            *((u16 *)(q1 + i)) = r5;
-            break;
-        case 1:
-            for (i = 0; i < 100; i++)
-            {
-                q1[i] = i + 1;
-                r5 += i + 1;
-            }
-            *((u16 *)(q1 + 200)) = r5;
-            break;
-        case 2:
-            for (i = 0; i < 200; i++)
-            {
-                rval = Random();
-                q1[i] = rval;
-                r5 += rval;
-            }
-            *((u16 *)(q1 + i)) = r5;
-            break;
-        case 3:
-            for (i = 0; i < 200; i++)
-            {
-                q1[i] = i + 1 + counter;
-                r5 += (i + 1 + counter) & 0xFF;
-            }
-            *((u16 *)(q1 + i)) = r5;
-            counter++;
-            break;
+    case 0:
+        // Populate with numbers 1-200
+        // Total will be 20100
+        for (i = 0; i < SEQ_ARRAY_MAX_SIZE; i++)
+        {
+            arr[i] = i + 1;
+            total += i + 1;
+        }
+        *((u16 *)(arr + i)) = total;
+        break;
+    case 1:
+        // Populate with numbers 1-100
+        // Total will be 5050
+        for (i = 0; i < 100; i++)
+        {
+            arr[i] = i + 1;
+            total += i + 1;
+        }
+        *((u16 *)(arr + SEQ_ARRAY_MAX_SIZE)) = total;
+        break;
+    case 2:
+        // Populate with random numbers 0-255
+        // Total will be a number 0-51000
+        for (i = 0; i < SEQ_ARRAY_MAX_SIZE; i++)
+        {
+            rval = Random();
+            arr[i] = rval;
+            total += rval;
+        }
+        *((u16 *)(arr + i)) = total;
+        break;
+    case 3:
+        // Populate with numbers 1-200 + counter
+        // Total will be a number 20100-51000
+        for (i = 0; i < SEQ_ARRAY_MAX_SIZE; i++)
+        {
+            arr[i] = i + 1 + counter;
+            total += (i + 1 + counter) & 0xFF;
+        }
+        *((u16 *)(arr + i)) = total;
+        counter++;
+        break;
     }
 }
 
diff --git a/src/m4a_1.s b/src/m4a_1.s
index 7cb36580f..994f8892d 100644
--- a/src/m4a_1.s
+++ b/src/m4a_1.s
@@ -302,7 +302,7 @@ _081DD044:
 	ldrb r0, [r4, o_SoundChannel_type]
 	tst r0, 0x30
 	beq _081DD068
-	bl sub_81DC460
+	bl SoundMainRAM_Unk1
 	b _081DD228
 _081DD068:
 	mov r10, r10, lsl 16
@@ -465,8 +465,9 @@ _081DD25E:
 	.pool
 	thumb_func_end SoundMainRAM
 
-	arm_func_start sub_81DC460
-sub_81DC460:
+@ Not present in GBA SDK 3.0
+	arm_func_start SoundMainRAM_Unk1
+SoundMainRAM_Unk1:
 	ldr r6, [r4, o_SoundChannel_wav]
 	ldrb r0, [r4, o_SoundChannel_status]
 	tst r0, 0x20
@@ -505,10 +506,10 @@ _081DD2B4:
 	ldrb r0, [r4, o_SoundChannel_type]
 	tst r0, 0x10
 	bne _081DD3C0
-	bl sub_81DC71C
+	bl SoundMainRAM_Unk2
 	mov r0, r1
 	add r3, r3, 0x1
-	bl sub_81DC71C
+	bl SoundMainRAM_Unk2
 	sub r1, r1, r0
 _081DD308:
 	ldr r6, [r5]
@@ -534,11 +535,11 @@ _081DD310:
 	b _081DD364
 _081DD358:
 	add r3, r3, lr
-	bl sub_81DC71C
+	bl SoundMainRAM_Unk2
 	mov r0, r1
 _081DD364:
 	add r3, r3, 0x1
-	bl sub_81DC71C
+	bl SoundMainRAM_Unk2
 	sub r1, r1, r0
 _081DD370:
 	adds r5, r5, 0x40000000
@@ -565,10 +566,10 @@ _081DD3B0:
 	b _081DD3B0
 _081DD3C0:
 	sub r3, r3, 0x1
-	bl sub_81DC71C
+	bl SoundMainRAM_Unk2
 	mov r0, r1
 	sub r3, r3, 0x1
-	bl sub_81DC71C
+	bl SoundMainRAM_Unk2
 	sub r1, r1, r0
 _081DD3D8:
 	ldr r6, [r5]
@@ -594,11 +595,11 @@ _081DD3E0:
 	b _081DD434
 _081DD428:
 	sub r3, r3, lr
-	bl sub_81DC71C
+	bl SoundMainRAM_Unk2
 	mov r0, r1
 _081DD434:
 	sub r3, r3, 0x1
-	bl sub_81DC71C
+	bl SoundMainRAM_Unk2
 	sub r1, r1, r0
 _081DD440:
 	adds r5, r5, 0x40000000
@@ -663,10 +664,11 @@ _081DD4F4:
 	str r7, [r5, 0x630]
 	str r6, [r5], 0x4
 	pop {r8,r12,pc}
-	arm_func_end sub_81DC460
+	arm_func_end SoundMainRAM_Unk1
 
-	arm_func_start sub_81DC71C
-sub_81DC71C:
+@ Not present in GBA SDK 3.0
+	arm_func_start SoundMainRAM_Unk2
+SoundMainRAM_Unk2:
 	push {r0,r2,r5-r7,lr}
 	mov r0, r3, lsr 6
 	ldr r1, [r4, o_SoundChannel_xpi]
@@ -678,7 +680,7 @@ sub_81DC71C:
 	ldr r1, [r4, o_SoundChannel_wav]
 	add r2, r2, r1
 	add r2, r2, 0x10
-	ldr r5, =gUnknown_030007B8
+	ldr r5, =sDecodingBuffer
 	ldr r6, =gDeltaEncodingTable
 	mov r7, 0x40
 	ldrb lr, [r2], 1
@@ -699,12 +701,12 @@ _081DD57C:
 	subs r7, r7, 2
 	bgt _081DD568
 _081DD594:
-	ldr r5, =gUnknown_030007B8
+	ldr r5, =sDecodingBuffer
 	and r0, r3, 0x3F
 	ldrsb r1, [r5, r0]
 	pop {r0,r2,r5-r7,pc}
 	.pool
-	arm_func_end sub_81DC71C
+	arm_func_end SoundMainRAM_Unk2
 
 	thumb_func_start SoundMainBTM
 SoundMainBTM:
@@ -1910,9 +1912,9 @@ _081DDD90:
 
     .bss
     .align 3
-gUnknown_030007B8:
+sDecodingBuffer:
     .space 0x40
-    .size gUnknown_030007B8, .-gUnknown_030007B8
+    .size sDecodingBuffer, .-sDecodingBuffer
 
     .global gMPlayTrack_BGM
 gMPlayTrack_BGM:
diff --git a/src/menu2.c b/src/menu2.c
index 4074d129c..0f372140e 100644
--- a/src/menu2.c
+++ b/src/menu2.c
@@ -508,7 +508,7 @@ void Menu_PrintFormatIntlPlayerName(u8 windowId, const u8 * src, u16 x, u16 y)
     }
 }
 
-static void sub_812E768(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height)
+static void UnusedBlitBitmapRect(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height)
 {
     s32 loopSrcY, loopDstY, loopSrcX, loopDstX, xEnd, yEnd, multiplierSrcY, multiplierDstY;
     u16 toOrr;
diff --git a/src/mevent_scripts.c b/src/mevent_scripts.c
index 04d44f603..0c2918655 100644
--- a/src/mevent_scripts.c
+++ b/src/mevent_scripts.c
@@ -1,7 +1,7 @@
 #include "global.h"
 #include "mevent_server.h"
 
-extern const struct mevent_server_cmd gMEventSrvScript_OtherTrainerCanceled[];
+extern const struct mevent_server_cmd gServerScript_ClientCanceledCard[];
 
 // Unreferenced
 const u8 gUnknown_84687A0[] = _("You have collected all STAMPs!\nWant to input a CARD as a prize?");
@@ -148,7 +148,7 @@ const struct mevent_server_cmd gMEventSrvScript_AskClientToOverwriteCard[] = {
     SRV_RECV(0x13),
     SRV_READWORD,
     SRV_BRANCHIF(0x00, gMEventSrvScript_SendCardSuccess),
-    SRV_BRANCH(gMEventSrvScript_OtherTrainerCanceled)
+    SRV_BRANCH(gServerScript_ClientCanceledCard)
 };
 
 const struct mevent_server_cmd gMEventSrvScript_OtherTrnHasCard[] = {
diff --git a/src/mon_markings.c b/src/mon_markings.c
index 6be89222b..e26ae9443 100644
--- a/src/mon_markings.c
+++ b/src/mon_markings.c
@@ -17,9 +17,9 @@ static void SpriteCB_Marking(struct Sprite *);
 static void SpriteCB_Cursor(struct Sprite *);
 static struct Sprite *CreateMarkingComboSprite(u16, u16, const u16 *, u16);
 
-static const u16 sMonMarkingsPal[] = INCBIN_U16("graphics/misc/mon_markings.gbapal");
+static const u16 sMonMarkings_Pal[] = INCBIN_U16("graphics/misc/mon_markings.gbapal");
 static const u16 sMonMarkings_Gfx[] = INCBIN_U16("graphics/misc/mon_markings.4bpp");
-static const u8 sUnref_83EE828[] = {0x09, 0x50, 0x13, 0x02, 0xFF};
+static const u8 sUnused[] = {0x09, 0x50, 0x13, 0x02, 0xFF};
 
 static const struct OamData sOamData_MenuWindow =
 {
@@ -558,7 +558,7 @@ static void SpriteCB_Cursor(struct Sprite *sprite)
 struct Sprite *CreateMonMarkingAllCombosSprite(u16 tileTag, u16 paletteTag, const u16 *palette)
 {
     if (palette == NULL)
-        palette = sMonMarkingsPal;
+        palette = sMonMarkings_Pal;
     return CreateMarkingComboSprite(tileTag, paletteTag, palette, 1 << NUM_MON_MARKINGS);
 }
 
@@ -566,7 +566,7 @@ struct Sprite *CreateMonMarkingAllCombosSprite(u16 tileTag, u16 paletteTag, cons
 struct Sprite *CreateMonMarkingComboSprite(u16 tileTag, u16 paletteTag, const u16 *palette)
 {
     if (palette == NULL)
-        palette = sMonMarkingsPal;
+        palette = sMonMarkings_Pal;
     return CreateMarkingComboSprite(tileTag, paletteTag, palette, 1);
 }
 
diff --git a/src/mystery_gift_menu.c b/src/mystery_gift_menu.c
index d71aebd6a..3dfce13a0 100644
--- a/src/mystery_gift_menu.c
+++ b/src/mystery_gift_menu.c
@@ -333,7 +333,7 @@ const struct ListMenuTemplate sListMenu_Receive = {
     .cursorKind = 0
 };
 
-const u8 *const Unref_08366ED8[] = {
+static const u8 *const sUnusedMenuTexts[] = {
     gText_VarietyOfEventsImportedWireless,
     gText_WonderCardsInPossession,
     gText_ReadNewsThatArrived,
@@ -344,8 +344,8 @@ ALIGNED(4) const u8 sMG_Ereader_TextColor_1[3]      = { 0, 1, 2 };
 ALIGNED(4) const u8 sMG_Ereader_TextColor_1_Copy[3] = { 0, 1, 2 };
 ALIGNED(4) const u8 sMG_Ereader_TextColor_2[3]      = { 1, 2, 3 };
 
-const u8 gUnknown_8466EF3[] = _("テスト");
-const u8 gUnknown_8466EF7[] = _("むげんのチケット");
+static const u8 sText_Test[] = _("テスト");
+static const u8 sText_EonTicket[] = _("むげんのチケット");
 
 void vblankcb_mystery_gift_e_reader_run(void)
 {
diff --git a/src/new_menu_helpers.c b/src/new_menu_helpers.c
index 8f60a8628..85521d0e9 100644
--- a/src/new_menu_helpers.c
+++ b/src/new_menu_helpers.c
@@ -609,7 +609,7 @@ void SetStdWindowBorderStyle(u8 windowId, bool8 copyToVram)
     DrawStdFrameWithCustomTileAndPalette(windowId, copyToVram, STD_WINDOW_BASE_TILE_NUM, STD_WINDOW_PALETTE_NUM);
 }
 
-void sub_80F7768(u8 windowId, bool8 copyToVram)
+void LoadMessageBoxAndFrameGfx(u8 windowId, bool8 copyToVram)
 {
     if (gQuestLogState == QL_STATE_PLAYBACK)
     {
diff --git a/src/overworld.c b/src/overworld.c
index 3a4c8dc7b..8a99ea519 100644
--- a/src/overworld.c
+++ b/src/overworld.c
@@ -807,7 +807,7 @@ static void LoadMapFromWarp(bool32 unused)
     InitMap();
 }
 
-static void sub_80559A8(void)
+static void QL_LoadMapNormal(void)
 {
     bool8 isOutdoors;
 
@@ -2249,7 +2249,7 @@ static bool32 LoadMap_QLPlayback(u8 *state)
         else
         {
             gExitStairsMovementDisabled = TRUE;
-            sub_80559A8();
+            QL_LoadMapNormal();
         }
         (*state)++;
         break;
diff --git a/src/party_menu.c b/src/party_menu.c
index 400761801..f9f51c887 100644
--- a/src/party_menu.c
+++ b/src/party_menu.c
@@ -2636,7 +2636,7 @@ static void ToggleFieldMoveDescriptionWindow(u8 action)
     {
         if (ptr->windowId[2] == WINDOW_NONE)
             ptr->windowId[2] = AddWindow(&sFieldMoveDescriptionWindowTemplate);
-        sub_8112F18(ptr->windowId[2]);
+        DrawHelpMessageWindowTilesById(ptr->windowId[2]);
         letterSpacing = GetFontAttribute(FONT_2, FONTATTR_LETTER_SPACING);
         AddTextPrinterParameterized4(ptr->windowId[2], FONT_2, 3, 6, letterSpacing, 0, sFontColorTable[5], 0, sFieldMoveDescriptionTable[action - CURSOR_OPTION_FIELD_MOVES]);
         PutWindowTilemap(ptr->windowId[2]);
diff --git a/src/party_menu_specials.c b/src/party_menu_specials.c
index 9b17a73ed..567f6b860 100644
--- a/src/party_menu_specials.c
+++ b/src/party_menu_specials.c
@@ -9,14 +9,14 @@
 #include "event_data.h"
 #include "constants/moves.h"
 
-static void sub_80BF97C(u8 taskId);
+static void Task_ChoosePartyMon(u8 taskId);
 
 void ChoosePartyMon(void)
 {
     u8 taskId;
 
     LockPlayerFieldControls();
-    taskId = CreateTask(sub_80BF97C, 10);
+    taskId = CreateTask(Task_ChoosePartyMon, 10);
     gTasks[taskId].data[0] = PARTY_MENU_TYPE_CHOOSE_SINGLE_MON;
     BeginNormalPaletteFade(PALETTES_ALL, 0, 0, 0x10, RGB_BLACK);
 }
@@ -26,12 +26,12 @@ void SelectMoveTutorMon(void)
     u8 taskId;
 
     LockPlayerFieldControls();
-    taskId = CreateTask(sub_80BF97C, 10);
+    taskId = CreateTask(Task_ChoosePartyMon, 10);
     gTasks[taskId].data[0] = PARTY_MENU_TYPE_MOVE_RELEARNER;
     BeginNormalPaletteFade(PALETTES_ALL, 0, 0, 0x10, RGB_BLACK);
 }
 
-static void sub_80BF97C(u8 taskId)
+static void Task_ChoosePartyMon(u8 taskId)
 {
     if (!gPaletteFade.active)
     {
diff --git a/src/player_pc.c b/src/player_pc.c
index dd5df17d3..9428fb026 100644
--- a/src/player_pc.c
+++ b/src/player_pc.c
@@ -88,8 +88,8 @@ static const struct MenuAction sMenuActions_TopMenu[] = {
     {gText_TurnOff, Task_PlayerPcTurnOff}
 };
 
-static const u8 gUnknown_8402200[] = { 0, 1, 2 };
-static const u8 gUnknown_8402203[] = { 0, 1, 2 };
+static const u8 sItemOrder_BedroomPC[] = { 0, 1, 2 };
+static const u8 sItemOrder_PlayerPC[] = { 0, 1, 2 };
 
 static const struct MenuAction sMenuActions_ItemPc[] = {
     {gText_WithdrawItem2, Task_PlayerPcWithdrawItem},
@@ -154,7 +154,7 @@ void BedroomPC(void)
 
     gPlayerPcMenuManager.notInRoom = FALSE;
     BackupHelpContext();
-    sItemOrder = gUnknown_8402200;
+    sItemOrder = sItemOrder_BedroomPC;
     sTopMenuItemCount = 3;
     taskId = CreateTask(TaskDummy, 0);
     DisplayItemMessageOnField(taskId, FONT_2, gText_WhatWouldYouLikeToDo, Task_DrawPlayerPcTopMenu);
@@ -166,7 +166,7 @@ void PlayerPC(void)
 
     gPlayerPcMenuManager.notInRoom = TRUE;
     BackupHelpContext();
-    sItemOrder = gUnknown_8402203;
+    sItemOrder = sItemOrder_PlayerPC;
     sTopMenuItemCount = 3;
     taskId = CreateTask(TaskDummy, 0);
     DisplayItemMessageOnField(taskId, FONT_2, gText_WhatWouldYouLikeToDo, Task_DrawPlayerPcTopMenu);
diff --git a/src/pokemon_special_anim.c b/src/pokemon_special_anim.c
index f13732e2a..bf56a5c21 100644
--- a/src/pokemon_special_anim.c
+++ b/src/pokemon_special_anim.c
@@ -601,7 +601,7 @@ static void Task_CleanUp(u8 taskId)
 static const struct {
     u16 itemId;
     u16 animType;
-} gUnknown_8459634[2] = {
+} sItemAnimMap[2] = {
     {ITEM_RARE_CANDY, 0},
     {ITEM_POTION,     1}
 };
@@ -610,10 +610,10 @@ static u16 GetAnimTypeByItemId(u16 itemId)
 {
     int i;
 
-    for (i = 0; i < NELEMS(gUnknown_8459634); i++)
+    for (i = 0; i < ARRAY_COUNT(sItemAnimMap); i++)
     {
-        if (gUnknown_8459634[i].itemId == itemId)
-            return gUnknown_8459634[i].animType;
+        if (sItemAnimMap[i].itemId == itemId)
+            return sItemAnimMap[i].animType;
     }
 
     if (itemId >= ITEM_TM01 && itemId <= ITEM_HM08)
diff --git a/src/rfu_union_tool.c b/src/rfu_union_tool.c
index f08291445..f8ad88d9a 100644
--- a/src/rfu_union_tool.c
+++ b/src/rfu_union_tool.c
@@ -86,15 +86,16 @@ static const u8 sUnionRoomLocalIds[] = {
     3
 };
 
-static const u16 sUnref_8457128[] = {
-    0x63,
-    0x64,
-    0x65,
-    0x66,
-    0x67,
-    0x68,
-    0x69,
-    0x6A
+// Unused
+static const u16 sHidePlayerFlags[] = {
+    FLAG_HIDE_UNION_ROOM_PLAYER_1,
+    FLAG_HIDE_UNION_ROOM_PLAYER_2,
+    FLAG_HIDE_UNION_ROOM_PLAYER_3,
+    FLAG_HIDE_UNION_ROOM_PLAYER_4,
+    FLAG_HIDE_UNION_ROOM_PLAYER_5,
+    FLAG_HIDE_UNION_ROOM_PLAYER_6,
+    FLAG_HIDE_UNION_ROOM_PLAYER_7,
+    FLAG_HIDE_UNION_ROOM_PLAYER_8
 };
 
 static bool32 is_walking_or_running(void)
diff --git a/src/save_failed_screen.c b/src/save_failed_screen.c
index 1133f7e04..ddb45171a 100644
--- a/src/save_failed_screen.c
+++ b/src/save_failed_screen.c
@@ -10,7 +10,7 @@
 bool32 sIsInSaveFailedScreen;
 
 static EWRAM_DATA u16 sSaveType = SAVE_NORMAL;
-static EWRAM_DATA u16 unused_203AB4E = 0;
+static EWRAM_DATA u16 sUnused = 0;
 static EWRAM_DATA u8 sSaveFailedScreenState = 0;
 
 static void BlankPalettes(void);
diff --git a/src/save_location.c b/src/save_location.c
index 3dc58f32e..52220739c 100644
--- a/src/save_location.c
+++ b/src/save_location.c
@@ -7,7 +7,7 @@ static bool32 IsCurMapInLocationList(const u16 *list)
     s32 i;
     u16 locSum = (gSaveBlock1Ptr->location.mapGroup << 8) + (gSaveBlock1Ptr->location.mapNum);
 
-    for (i = 0; list[i] != 0xFFFF; i++)
+    for (i = 0; list[i] != MAP_UNDEFINED; i++)
     {
         if (list[i] == locSum)
             return TRUE;
@@ -40,7 +40,7 @@ static const u16 sSaveLocationPokeCenterList[] =
     MAP_TRADE_CENTER,
     MAP_BATTLE_COLOSSEUM_4P, 
     MAP_UNION_ROOM,
-    0xFFFF,
+    MAP_UNDEFINED,
 };
 
 bool32 IsCurMapPokeCenter(void)
@@ -48,18 +48,19 @@ bool32 IsCurMapPokeCenter(void)
     return IsCurMapInLocationList(sSaveLocationPokeCenterList);
 }
 
-static const u16 sSaveLocationReloadLocList[] = { 0xFFFF };
+static const u16 sSaveLocationReloadLocList[] = { MAP_UNDEFINED };
 
 static bool32 IsCurMapReloadLocation(void)
 {
     return IsCurMapInLocationList(sSaveLocationReloadLocList);
 }
 
-static const u16 sUnknown_8453094[] = { 0xFFFF };
+// Nulled out list. Unknown what this would have been.
+static const u16 sEmptyMapList[] = { MAP_UNDEFINED };
 
-static bool32 sub_810B75C(void)
+static bool32 IsCurMapInEmptyList(void)
 {
-    return IsCurMapInLocationList(sUnknown_8453094);
+    return IsCurMapInLocationList(sEmptyMapList);
 }
 
 static void TrySetPokeCenterWarpStatus(void)
@@ -78,9 +79,10 @@ static void TrySetReloadWarpStatus(void)
         gSaveBlock2Ptr->specialSaveWarpFlags |= LOBBY_SAVEWARP;
 }
 
-static void sub_810B7CC(void)
+// Unknown save warp flag. Never set because map list is empty.
+static void TrySetUnknownWarpStatus(void)
 {
-    if (!sub_810B75C())
+    if (!IsCurMapInEmptyList())
         gSaveBlock2Ptr->specialSaveWarpFlags &= ~(UNK_SPECIAL_SAVE_WARP_FLAG_3);
     else
         gSaveBlock2Ptr->specialSaveWarpFlags |= UNK_SPECIAL_SAVE_WARP_FLAG_3;
@@ -90,21 +92,21 @@ void TrySetMapSaveWarpStatus(void)
 {
     TrySetPokeCenterWarpStatus();
     TrySetReloadWarpStatus();
-    sub_810B7CC();
+    TrySetUnknownWarpStatus();
 }
 
 void SetUnlockedPokedexFlags(void)
 {
-    gSaveBlock2Ptr->gcnLinkFlags |= 0x1;
-    gSaveBlock2Ptr->gcnLinkFlags |= 0x10;
-    gSaveBlock2Ptr->gcnLinkFlags |= 0x20;
+    gSaveBlock2Ptr->gcnLinkFlags |= (1 << 0);
+    gSaveBlock2Ptr->gcnLinkFlags |= (1 << 4);
+    gSaveBlock2Ptr->gcnLinkFlags |= (1 << 5);
 }
 
 void SetPostgameFlags(void)
 {
     gSaveBlock2Ptr->specialSaveWarpFlags |= CHAMPION_SAVEWARP;
-    gSaveBlock2Ptr->gcnLinkFlags |= 0x2;
-    gSaveBlock2Ptr->gcnLinkFlags |= 0x4;
-    gSaveBlock2Ptr->gcnLinkFlags |= 0x8;
-    gSaveBlock2Ptr->gcnLinkFlags |= 0x8000;
+    gSaveBlock2Ptr->gcnLinkFlags |= (1 << 1);
+    gSaveBlock2Ptr->gcnLinkFlags |= (1 << 2);
+    gSaveBlock2Ptr->gcnLinkFlags |= (1 << 3);
+    gSaveBlock2Ptr->gcnLinkFlags |= (1 << 15);
 }
diff --git a/src/script_menu.c b/src/script_menu.c
index 2739ffc91..921a12682 100644
--- a/src/script_menu.c
+++ b/src/script_menu.c
@@ -306,7 +306,7 @@ static const struct MenuAction sScriptMultiChoiceMenu_Eeveelutions[] = {
 };
 
 static const struct MenuAction sScriptMultiChoiceMenu_BikeShop[] = {
-    { gText_Bicycle_1000000 },
+    { gText_Bicycle_Price },
     { gText_NoThanks }
 };
 
@@ -853,7 +853,8 @@ bool8 ScriptMenu_YesNo(u8 unused, u8 stuff)
     return TRUE;
 }
 
-bool8 sub_809CE38(void)
+// Unused
+static bool8 IsScriptActive(void)
 {
     if (gSpecialVar_Result == SCR_MENU_UNSET)
         return FALSE;
@@ -1002,7 +1003,7 @@ static void CreatePCMenuWindow(void)
 
 void ScriptMenu_DisplayPCStartupPrompt(void)
 {
-    sub_80F7768(0, TRUE);
+    LoadMessageBoxAndFrameGfx(0, TRUE);
     AddTextPrinterParameterized2(0, FONT_2, Text_AccessWhichPC, 0, NULL, TEXT_COLOR_DARK_GRAY, TEXT_COLOR_WHITE, TEXT_COLOR_LIGHT_GRAY);
 }
 
diff --git a/src/start_menu.c b/src/start_menu.c
index 27eef2de5..ec2616338 100644
--- a/src/start_menu.c
+++ b/src/start_menu.c
@@ -620,7 +620,7 @@ void Field_AskSaveTheGame(void)
 static void PrintSaveTextWithFollowupFunc(const u8 *str, bool8 (*saveDialogCB)(void))
 {
     StringExpandPlaceholders(gStringVar4, str);
-    sub_80F7768(0, TRUE);
+    LoadMessageBoxAndFrameGfx(0, TRUE);
     AddTextPrinterForMessage(TRUE);
     sSaveDialogIsPrinting = TRUE;
     sSaveDialogCB = saveDialogCB;
diff --git a/src/strings.c b/src/strings.c
index 9ce0e031c..414178229 100644
--- a/src/strings.c
+++ b/src/strings.c
@@ -485,7 +485,7 @@ const u8 gText_FreshWater[] = _("FRESH WATER");
 const u8 gText_SodaPop[] = _("SODA POP");
 const u8 gText_Lemonade[] = _("LEMONADE");
 const u8 gText_Coins_2[] = _("COINS");
-const u8 gText_Bicycle_1000000[] = _("BICYCLE{CLEAR_TO 0x49}{FONT_0}¥1,000,000");
+const u8 gText_Bicycle_Price[] = _("BICYCLE{CLEAR_TO 0x49}{FONT_0}¥1,000,000");
 const u8 gText_NoThanks[] = _("NO THANKS");
 const u8 gText_Abra_180Coins[] = _("ABRA{CLEAR_TO 0x55}{FONT_0} 180 COINS");
 const u8 gText_Clefairy_500Coins[] = _("CLEFAIRY{CLEAR_TO 0x55}{FONT_0} 500 COINS");
diff --git a/src/tileset_anims.c b/src/tileset_anims.c
index fcf6a6038..04854a2e4 100644
--- a/src/tileset_anims.c
+++ b/src/tileset_anims.c
@@ -80,7 +80,7 @@ static const u16 sTilesetAnims_CeladonCity_Fountain_Frame1[] = INCBIN_U16("data/
 static const u16 sTilesetAnims_CeladonCity_Fountain_Frame2[] = INCBIN_U16("data/tilesets/secondary/celadon_city/anim/fountain/2.4bpp");
 static const u16 sTilesetAnims_CeladonCity_Fountain_Frame3[] = INCBIN_U16("data/tilesets/secondary/celadon_city/anim/fountain/3.4bpp");
 static const u16 sTilesetAnims_CeladonCity_Fountain_Frame4[] = INCBIN_U16("data/tilesets/secondary/celadon_city/anim/fountain/4.4bpp");
-static const u16 gUnknown_83ABD94[16] = {};
+static const u16 sTilesetAnims_CeladonCity_Fountain_Empty[16] = {};
 
 static const u16 *const sTilesetAnims_CeladonCity_Fountain[] = {
     sTilesetAnims_CeladonCity_Fountain_Frame0,
@@ -94,7 +94,7 @@ static const u16 sTilesetAnims_SilphCo_Fountain_Frame0[] = INCBIN_U16("data/tile
 static const u16 sTilesetAnims_SilphCo_Fountain_Frame1[] = INCBIN_U16("data/tilesets/secondary/silph_co/anim/fountain/1.4bpp");
 static const u16 sTilesetAnims_SilphCo_Fountain_Frame2[] = INCBIN_U16("data/tilesets/secondary/silph_co/anim/fountain/2.4bpp");
 static const u16 sTilesetAnims_SilphCo_Fountain_Frame3[] = INCBIN_U16("data/tilesets/secondary/silph_co/anim/fountain/3.4bpp");
-static const u16 gUnknown_83AC1C8[16] = {};
+static const u16 sTilesetAnims_SilphCo_Fountain_Empty[16] = {};
 
 static const u16 *const sTilesetAnims_SilphCo_Fountain[] = {
     sTilesetAnims_SilphCo_Fountain_Frame0,
@@ -207,27 +207,27 @@ static void _InitSecondaryTilesetAnimation(void)
 
 static void QueueAnimTiles_General_Flower(u16 timer)
 {
-    AppendTilesetAnimToBuffer(sTilesetAnims_General_Flower[timer % NELEMS(sTilesetAnims_General_Flower)], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(508)), 4 * TILE_SIZE_4BPP);
+    AppendTilesetAnimToBuffer(sTilesetAnims_General_Flower[timer % ARRAY_COUNT(sTilesetAnims_General_Flower)], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(508)), 4 * TILE_SIZE_4BPP);
 }
 
 static void QueueAnimTiles_General_Water_Current_LandWatersEdge(u16 timer)
 {
-    AppendTilesetAnimToBuffer(sTilesetAnims_General_Water_Current_LandWatersEdge[timer % NELEMS(sTilesetAnims_General_Water_Current_LandWatersEdge)], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(416)), 48 * TILE_SIZE_4BPP);
+    AppendTilesetAnimToBuffer(sTilesetAnims_General_Water_Current_LandWatersEdge[timer % ARRAY_COUNT(sTilesetAnims_General_Water_Current_LandWatersEdge)], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(416)), 48 * TILE_SIZE_4BPP);
 }
 
 static void QueueAnimTiles_General_SandWatersEdge(u16 timer)
 {
-    AppendTilesetAnimToBuffer(sTilesetAnims_General_SandWatersEdge[timer % NELEMS(sTilesetAnims_General_SandWatersEdge)], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(464)), 18 * TILE_SIZE_4BPP);
+    AppendTilesetAnimToBuffer(sTilesetAnims_General_SandWatersEdge[timer % ARRAY_COUNT(sTilesetAnims_General_SandWatersEdge)], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(464)), 18 * TILE_SIZE_4BPP);
 }
 
 static void TilesetAnim_General(u16 timer)
 {
     if (timer % 8 == 0)
-        QueueAnimTiles_General_SandWatersEdge(timer >> 3);
+        QueueAnimTiles_General_SandWatersEdge(timer / 8);
     if (timer % 16 == 1)
-        QueueAnimTiles_General_Water_Current_LandWatersEdge(timer >> 4);
+        QueueAnimTiles_General_Water_Current_LandWatersEdge(timer / 16);
     if (timer % 16 == 2)
-        QueueAnimTiles_General_Flower(timer >> 4);
+        QueueAnimTiles_General_Flower(timer / 16);
 }
 
 void InitTilesetAnim_General(void)
@@ -239,7 +239,7 @@ void InitTilesetAnim_General(void)
 
 static void QueueAnimTiles_CeladonCity_Fountain(u16 timer)
 {
-    AppendTilesetAnimToBuffer(sTilesetAnims_CeladonCity_Fountain[timer % NELEMS(sTilesetAnims_CeladonCity_Fountain)], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(744)), 8 * TILE_SIZE_4BPP);
+    AppendTilesetAnimToBuffer(sTilesetAnims_CeladonCity_Fountain[timer % ARRAY_COUNT(sTilesetAnims_CeladonCity_Fountain)], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(744)), 8 * TILE_SIZE_4BPP);
 }
 
 static void TilesetAnim_CeladonCity(u16 timer)
@@ -257,7 +257,7 @@ void InitTilesetAnim_CeladonCity(void)
 
 static void QueueAnimTiles_SilphCo_Fountain(u16 timer)
 {
-    AppendTilesetAnimToBuffer(sTilesetAnims_SilphCo_Fountain[timer % NELEMS(sTilesetAnims_SilphCo_Fountain)], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(976)), 8 * TILE_SIZE_4BPP);
+    AppendTilesetAnimToBuffer(sTilesetAnims_SilphCo_Fountain[timer % ARRAY_COUNT(sTilesetAnims_SilphCo_Fountain)], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(976)), 8 * TILE_SIZE_4BPP);
 }
 
 static void TilesetAnim_SilphCo(u16 timer)
@@ -275,13 +275,13 @@ void InitTilesetAnim_SilphCo(void)
 
 static void QueueAnimTiles_MtEmber_Steam(u16 timer)
 {
-    AppendTilesetAnimToBuffer(sTilesetAnims_MtEmber_Steam[timer % NELEMS(sTilesetAnims_MtEmber_Steam)], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(896)), 8 * TILE_SIZE_4BPP);
+    AppendTilesetAnimToBuffer(sTilesetAnims_MtEmber_Steam[timer % ARRAY_COUNT(sTilesetAnims_MtEmber_Steam)], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(896)), 8 * TILE_SIZE_4BPP);
 }
 
 static void TilesetAnim_MtEmber(u16 timer)
 {
     if (timer % 16 == 0)
-        QueueAnimTiles_MtEmber_Steam(timer >> 4);
+        QueueAnimTiles_MtEmber_Steam(timer / 16);
 }
 
 void InitTilesetAnim_MtEmber(void)
@@ -293,7 +293,7 @@ void InitTilesetAnim_MtEmber(void)
 
 static void QueueAnimTiles_VermilionGym_MotorizedDoor(u16 timer)
 {
-    u16 i = timer % NELEMS(sTilesetAnims_VermilionGym_MotorizedDoor);
+    u16 i = timer % ARRAY_COUNT(sTilesetAnims_VermilionGym_MotorizedDoor);
 
     AppendTilesetAnimToBuffer(sTilesetAnims_VermilionGym_MotorizedDoor[i], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(880)), 7 * TILE_SIZE_4BPP);
 }
@@ -301,7 +301,7 @@ static void QueueAnimTiles_VermilionGym_MotorizedDoor(u16 timer)
 static void TilesetAnim_VermilionGym(u16 timer)
 {
     if (timer % 2 == 0)
-        QueueAnimTiles_VermilionGym_MotorizedDoor(timer >> 1);
+        QueueAnimTiles_VermilionGym_MotorizedDoor(timer / 2);
 }
 
 void InitTilesetAnim_VermilionGym(void)
@@ -313,7 +313,7 @@ void InitTilesetAnim_VermilionGym(void)
 
 static void QueueAnimTiles_CeladonGym_Flowers(u16 timer)
 {
-    u16 i = timer % NELEMS(sTilesetAnims_CeladonGym_Flowers);
+    u16 i = timer % ARRAY_COUNT(sTilesetAnims_CeladonGym_Flowers);
     
     AppendTilesetAnimToBuffer(sTilesetAnims_CeladonGym_Flowers[i], (u16 *)(BG_VRAM + TILE_OFFSET_4BPP(739)), 4 * TILE_SIZE_4BPP);
 }
@@ -321,7 +321,7 @@ static void QueueAnimTiles_CeladonGym_Flowers(u16 timer)
 static void TilesetAnim_CeladonGym(u16 timer)
 {
     if (timer % 16 == 0)
-        QueueAnimTiles_CeladonGym_Flowers(timer >> 4);
+        QueueAnimTiles_CeladonGym_Flowers(timer / 16);
 }
 
 void InitTilesetAnim_CeladonGym(void)
diff --git a/src/trainer_card.c b/src/trainer_card.c
index 4a9b99361..98a2f62e2 100644
--- a/src/trainer_card.c
+++ b/src/trainer_card.c
@@ -99,9 +99,9 @@ static void HandleGpuRegs(void);
 static void UpdateCardFlipRegs(u16 cardTop);
 static void ResetGpuRegs(void);
 static void TrainerCardNull(void);
-static void sub_8089C5C(void);
-static void sub_8089C80(void);
-static void sub_8089CA4(void);
+static void DmaClearOam(void);
+static void DmaClearPltt(void);
+static void ResetBgRegs(void);
 static void InitBgsAndWindows(void);
 static void SetTrainerCardCB2(void);
 static void SetUpTrainerCardTask(void);
@@ -713,15 +713,15 @@ static void CB2_InitTrainerCard(void)
         gMain.state++;
         break;
     case 2:
-        sub_8089C5C();
+        DmaClearOam();
         gMain.state++;
         break;
     case 3:
-        sub_8089C80();
+        DmaClearPltt();
         gMain.state++;
         // fallthrough
     case 4:
-        sub_8089CA4();
+        ResetBgRegs();
         gMain.state++;
         break;
     case 5:
@@ -984,30 +984,30 @@ static void TrainerCardNull(void)
 {
 }
 
-static void sub_8089C5C(void)
+static void DmaClearOam(void)
 {
     DmaClear32(3, (void *)OAM, OAM_SIZE);
 }
 
-static void sub_8089C80(void)
+static void DmaClearPltt(void)
 {
     DmaClear16(3, (void *)PLTT, PLTT_SIZE);
 }
 
-static void sub_8089CA4(void)
+static void ResetBgRegs(void)
 {
-    SetGpuReg(REG_OFFSET_BG0CNT, DISPCNT_MODE_0);
-    SetGpuReg(REG_OFFSET_BG1CNT, DISPCNT_MODE_0);
-    SetGpuReg(REG_OFFSET_BG2CNT, DISPCNT_MODE_0);
-    SetGpuReg(REG_OFFSET_BG3CNT, DISPCNT_MODE_0);
-    SetGpuReg(REG_OFFSET_BG0HOFS, DISPCNT_MODE_0);
-    SetGpuReg(REG_OFFSET_BG0VOFS, DISPCNT_MODE_0);
-    SetGpuReg(REG_OFFSET_BG1HOFS, DISPCNT_MODE_0);
-    SetGpuReg(REG_OFFSET_BG1VOFS, DISPCNT_MODE_0);
-    SetGpuReg(REG_OFFSET_BG2HOFS, DISPCNT_MODE_0);
-    SetGpuReg(REG_OFFSET_BG2VOFS, DISPCNT_MODE_0);
-    SetGpuReg(REG_OFFSET_BG3HOFS, DISPCNT_MODE_0);
-    SetGpuReg(REG_OFFSET_BG3VOFS, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG0CNT, 0);
+    SetGpuReg(REG_OFFSET_BG1CNT, 0);
+    SetGpuReg(REG_OFFSET_BG2CNT, 0);
+    SetGpuReg(REG_OFFSET_BG3CNT, 0);
+    SetGpuReg(REG_OFFSET_BG0HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG0VOFS, 0);
+    SetGpuReg(REG_OFFSET_BG1HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG1VOFS, 0);
+    SetGpuReg(REG_OFFSET_BG2HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG2VOFS, 0);
+    SetGpuReg(REG_OFFSET_BG3HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG3VOFS, 0);
 }
 
 static void InitBgsAndWindows(void)
diff --git a/src/trainer_tower.c b/src/trainer_tower.c
index 9bc2090f1..71b383531 100644
--- a/src/trainer_tower.c
+++ b/src/trainer_tower.c
@@ -64,7 +64,7 @@ struct TrainerEncounterMusicPairs
 
 static EWRAM_DATA struct TrainerTowerState * sTrainerTowerState = NULL;
 static EWRAM_DATA struct TrainerTowerOpponent * sTrainerTowerOpponent = NULL;
-static EWRAM_DATA u8 sUnused_203F460 = 0;
+static EWRAM_DATA u8 sUnused = 0;
 
 static void SetUpTrainerTowerDataStruct(void);
 static void FreeTrainerTowerDataStruct(void);
@@ -321,7 +321,7 @@ static const struct WindowTemplate sTimeBoardWindowTemplate[] = {
     }, DUMMY_WIN_TEMPLATE
 };
 
-static const u32 sUnused_847A228 = 0x70;
+static const u32 sUnusedValue = 112;
 
 static const u8 sTextColors[3] = {TEXT_COLOR_TRANSPARENT, TEXT_COLOR_DARK_GRAY, TEXT_COLOR_LIGHT_GRAY};
 
diff --git a/src/union_room_battle.c b/src/union_room_battle.c
index 18b0547fd..9d2b8a756 100644
--- a/src/union_room_battle.c
+++ b/src/union_room_battle.c
@@ -38,7 +38,7 @@ static const struct WindowTemplate sWindowTemplates[] = {
     }, DUMMY_WIN_TEMPLATE
 };
 
-static const u8 gUnknown_84571A8[] = {1, 2, 3};
+static const u8 sTextColors[] = {1, 2, 3};
 
 static void SetUpPartiesAndStartBattle(void)
 {
@@ -66,8 +66,8 @@ static void UnionRoomBattle_CreateTextPrinter(u8 windowId, const u8 * str, u8 x,
 {
     s32 letterSpacing = 1;
     s32 lineSpacing = 1;
-    FillWindowPixelBuffer(windowId, PIXEL_FILL(gUnknown_84571A8[0]));
-    AddTextPrinterParameterized4(windowId, FONT_3, x, y, letterSpacing, lineSpacing, gUnknown_84571A8, speed, str);
+    FillWindowPixelBuffer(windowId, PIXEL_FILL(sTextColors[0]));
+    AddTextPrinterParameterized4(windowId, FONT_3, x, y, letterSpacing, lineSpacing, sTextColors, speed, str);
 }
 
 static bool32 UnionRoomBattle_PrintTextOnWindow0(s16 * state, const u8 * str, s32 speed)
diff --git a/src/union_room_chat_display.c b/src/union_room_chat_display.c
index a6a716365..bda658f30 100644
--- a/src/union_room_chat_display.c
+++ b/src/union_room_chat_display.c
@@ -123,7 +123,7 @@ static const u16 sUnionRoomChatPanelBgPal_C[] = INCBIN_U16("graphics/union_room_
 static const u16 sBg1Pal8[] = INCBIN_U16("graphics/union_room_chat/unk_845AA44.gbapal");
 static const u16 sWin0PalF[] = INCBIN_U16("graphics/union_room_chat/unk_845AA64.gbapal");
 
-static const struct BgTemplate gUnknown_845AA84[] = {
+static const struct BgTemplate sBgTemplates[] = {
     {
         .bg = 0,
         .charBaseIndex = 0,
@@ -159,7 +159,7 @@ static const struct BgTemplate gUnknown_845AA84[] = {
     }
 };
 
-static const struct WindowTemplate gUnknown_845AA94[] = {
+static const struct WindowTemplate sWindowTemplates[] = {
     {
         .bg = 3,
         .tilemapLeft = 8,
@@ -349,8 +349,8 @@ bool8 UnionRoomChat_TryAllocGraphicsWork(void)
     if (sWork && UnionRoomChat_TryAllocSpriteWork())
     {
         ResetBgsAndClearDma3BusyFlags(0);
-        InitBgsFromTemplates(0, gUnknown_845AA84, NELEMS(gUnknown_845AA84));
-        InitWindows(gUnknown_845AA94);
+        InitBgsFromTemplates(0, sBgTemplates, ARRAY_COUNT(sBgTemplates));
+        InitWindows(sWindowTemplates);
         ResetTempTileDataBuffers();
         InitScanlineEffect();
         InitWork(sWork);
diff --git a/src/union_room_message.c b/src/union_room_message.c
index e84e666e1..21d74736f 100644
--- a/src/union_room_message.c
+++ b/src/union_room_message.c
@@ -558,15 +558,15 @@ const u8 *const gTexts_UR_GladToMeetYou[GENDER_COUNT] = {
 ALIGNED(4) const u8 gText_UR_FinishedCheckingPlayersTrainerCard[] = _("Finished checking {SPECIAL_F7 0x01}'s\nTRAINER CARD.{PAUSE 60}");
 ALIGNED(4) static const u8 sText_CanceledReadingCard[] = _("Canceled reading the Card.");
 
-const struct mevent_client_cmd gUnknown_84595CC[] = {
+static const struct mevent_client_cmd sClientScript_DynamicError[] = {
     CLI_RECEIVE(0x15),
     CLI_RECVBUF,
     CLI_SENDALL,
     CLI_RETURN(0x0e)
 };
 
-const struct mevent_server_cmd gMEventSrvScript_OtherTrainerCanceled[] = {
-    SRV_SEND(0x20, gUnknown_84595CC),
+const struct mevent_server_cmd gServerScript_ClientCanceledCard[] = {
+    SRV_SEND(0x20, sClientScript_DynamicError),
     SRV_WAITSND,
     SRV_SENDSTR(0x1b, sText_CanceledReadingCard),
     SRV_WAITSND,