diff --git a/include/battle_main.h b/include/battle_main.h
index 0410e62c2..3b83a2c33 100644
--- a/include/battle_main.h
+++ b/include/battle_main.h
@@ -71,7 +71,7 @@ void SpriteCB_VsLetterInit(struct Sprite *sprite);
 void CB2_InitEndLinkBattle(void);
 u32 GetBattleBgAttribute(u8 arrayId, u8 caseId);
 void SpriteCB_EnemyMon(struct Sprite *sprite);
-void SpriteCallbackDummy2(struct Sprite *sprite);
+void SpriteCallbackDummy_2(struct Sprite *sprite);
 void SpriteCB_FaintOpponentMon(struct Sprite *sprite);
 void SpriteCb_ShowAsMoveTarget(struct Sprite *sprite);
 void SpriteCb_HideAsMoveTarget(struct Sprite *sprite);
diff --git a/src/battle_main.c b/src/battle_main.c
index 6eddf65d3..b98fe6e2b 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -1870,13 +1870,13 @@ static void SpriteCB_WildMonShowHealthbox(struct Sprite *sprite)
     {
         StartHealthboxSlideIn(sprite->sBattler);
         SetHealthboxSpriteVisible(gHealthboxSpriteIds[sprite->sBattler]);
-        sprite->callback = SpriteCallbackDummy2;
+        sprite->callback = SpriteCallbackDummy_2;
         StartSpriteAnimIfDifferent(sprite, 0);
         BeginNormalPaletteFade(0x20000, 0, 10, 0, RGB(8, 8, 8));
     }
 }
 
-void SpriteCallbackDummy2(struct Sprite *sprite)
+void SpriteCallbackDummy_2(struct Sprite *sprite)
 {
 }
 
@@ -1900,7 +1900,7 @@ static void SpriteCB_Unused_8011E28_Step(struct Sprite *sprite)
         if (sprite->data[3] == 0)
         {
             sprite->invisible = FALSE;
-            sprite->callback = SpriteCallbackDummy2;
+            sprite->callback = SpriteCallbackDummy_2;
             gUnknown_2022AE8[0] = 0;
         }
     }
@@ -1991,7 +1991,7 @@ void SpriteCb_HideAsMoveTarget(struct Sprite *sprite)
 {
     sprite->invisible = sprite->data[4];
     sprite->data[4] = FALSE;
-    sprite->callback = SpriteCallbackDummy2;
+    sprite->callback = SpriteCallbackDummy_2;
 }
 
 void SpriteCB_AllyMon(struct Sprite *sprite)
diff --git a/src/evolution_scene.c b/src/evolution_scene.c
index e9d5b0a09..cb2e472bf 100644
--- a/src/evolution_scene.c
+++ b/src/evolution_scene.c
@@ -263,7 +263,7 @@ void EvolutionScene(struct Pokemon* mon, u16 postEvoSpecies, bool8 canStopEvo, u
     gMultiuseSpriteTemplate.affineAnims = gDummySpriteAffineAnimTable;
     sEvoStructPtr->preEvoSpriteId = id = CreateSprite(&gMultiuseSpriteTemplate, 120, 64, 30);
 
-    gSprites[id].callback = SpriteCallbackDummy2;
+    gSprites[id].callback = SpriteCallbackDummy_2;
     gSprites[id].oam.paletteNum = 1;
     gSprites[id].invisible = TRUE;
 
@@ -277,7 +277,7 @@ void EvolutionScene(struct Pokemon* mon, u16 postEvoSpecies, bool8 canStopEvo, u
     SetMultiuseSpriteTemplateToPokemon(postEvoSpecies, 3);
     gMultiuseSpriteTemplate.affineAnims = gDummySpriteAffineAnimTable;
     sEvoStructPtr->postEvoSpriteId = id = CreateSprite(&gMultiuseSpriteTemplate, 120, 64, 30);
-    gSprites[id].callback = SpriteCallbackDummy2;
+    gSprites[id].callback = SpriteCallbackDummy_2;
     gSprites[id].oam.paletteNum = 2;
     gSprites[id].invisible = TRUE;
 
@@ -357,7 +357,7 @@ static void CB2_EvolutionSceneLoadGraphics(void)
     gMultiuseSpriteTemplate.affineAnims = gDummySpriteAffineAnimTable;
     sEvoStructPtr->postEvoSpriteId = id = CreateSprite(&gMultiuseSpriteTemplate, 120, 64, 30);
 
-    gSprites[id].callback = SpriteCallbackDummy2;
+    gSprites[id].callback = SpriteCallbackDummy_2;
     gSprites[id].oam.paletteNum = 2;
 
     SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_BG_ALL_ON | DISPCNT_OBJ_1D_MAP);
@@ -434,7 +434,7 @@ static void CB2_TradeEvolutionSceneLoadGraphics(void)
             gMultiuseSpriteTemplate.affineAnims = gDummySpriteAffineAnimTable;
             sEvoStructPtr->postEvoSpriteId = id = CreateSprite(&gMultiuseSpriteTemplate, 120, 64, 30);
 
-            gSprites[id].callback = SpriteCallbackDummy2;
+            gSprites[id].callback = SpriteCallbackDummy_2;
             gSprites[id].oam.paletteNum = 2;
             gMain.state++;
             LinkTradeDrawWindow();
@@ -493,7 +493,7 @@ void TradeEvolutionScene(struct Pokemon* mon, u16 postEvoSpecies, u8 preEvoSprit
     gMultiuseSpriteTemplate.affineAnims = gDummySpriteAffineAnimTable;
     sEvoStructPtr->postEvoSpriteId = id = CreateSprite(&gMultiuseSpriteTemplate, 120, 64, 30);
 
-    gSprites[id].callback = SpriteCallbackDummy2;
+    gSprites[id].callback = SpriteCallbackDummy_2;
     gSprites[id].oam.paletteNum = 2;
     gSprites[id].invisible = TRUE;