diff --git a/graphics_file_rules.mk b/graphics_file_rules.mk
index f9ea40532..6a9cd9124 100644
--- a/graphics_file_rules.mk
+++ b/graphics_file_rules.mk
@@ -437,7 +437,7 @@ $(BTLANMSPRGFXDIR)/spark.4bpp: $(BTLANMSPRGFXDIR)/spark_0.4bpp \
 						  $(BTLANMSPRGFXDIR)/spark_1.4bpp
 	@cat $^ >$@
 
-$(MASKSGFXDIR)/unknown_C2EA50.4bpp: %.4bpp: %.png
+$(MASKSGFXDIR)/unused_level_up.4bpp: %.4bpp: %.png
 	$(GFX) $< $@ -num_tiles 14
 
 $(BATTRANSGFXDIR)/vs_frame.4bpp: %.4bpp: %.png
diff --git a/include/battle_anim.h b/include/battle_anim.h
index d1ee73f0f..34bd774fe 100644
--- a/include/battle_anim.h
+++ b/include/battle_anim.h
@@ -119,8 +119,8 @@ void SetSpriteRotScale(u8 spriteId, s16 xScale, s16 yScale, u16 rotation);
 void InitSpriteDataForLinearTranslation(struct Sprite *sprite);
 void PrepareBattlerSpriteForRotScale(u8 spriteId, u8 objMode);
 void SetBattlerSpriteYOffsetFromRotation(u8 spriteId);
-u32 GetBattleBgPalettesMask(u8 a1, u8 a2, u8 a3, u8 a4, u8 a5, u8 a6, u8 a7);
-u32 GetBattleMonSpritePalettesMask(u8 a1, u8 a2, u8 a3, u8 a4);
+u32 GetBattleBgPalettesMask(u8 battleBackground, u8 attacker, u8 target, u8 attackerPartner, u8 targetPartner, u8 a6, u8 a7);
+u32 GetBattleMonSpritePalettesMask(u8 playerLeft, u8 playerRight, u8 opponentLeft, u8 opponentRight);
 u8 AnimDummyReturnArg(u8 battler);
 s16 CloneBattlerSpriteWithBlend(u8);
 void obj_delete_but_dont_free_vram(struct Sprite*);
diff --git a/src/battle_anim_psychic.c b/src/battle_anim_psychic.c
index a982e9213..2e7844f76 100644
--- a/src/battle_anim_psychic.c
+++ b/src/battle_anim_psychic.c
@@ -836,7 +836,7 @@ static void AnimTask_ImprisonOrbs_Step(u8 taskId)
     }
 }
 
-static void AnimRedx_Step(struct Sprite *sprite)
+static void AnimRedX_Step(struct Sprite *sprite)
 {
     if (sprite->data[1] > sprite->data[0] - 10)
         sprite->invisible = sprite->data[1] & 1;
@@ -856,7 +856,7 @@ static void AnimRedX(struct Sprite *sprite)
     }
 
     sprite->data[0] = gBattleAnimArgs[1];
-    sprite->callback = AnimRedx_Step;
+    sprite->callback = AnimRedX_Step;
 }
 
 void AnimTask_SkillSwap(u8 taskId)
diff --git a/src/battle_anim_utility_funcs.c b/src/battle_anim_utility_funcs.c
index 737b35d5c..9b2b2e03c 100644
--- a/src/battle_anim_utility_funcs.c
+++ b/src/battle_anim_utility_funcs.c
@@ -38,7 +38,7 @@ static void AnimTask_UpdateSlidingBg(u8);
 static void UpdateMonScrollingBgMask(u8);
 static void AnimTask_WaitAndRestoreVisibility(u8);
 
-static const u16 wCurseLinesPalette[] = { RGB_WHITE };
+static const u16 sCurseLinesPalette[] = { RGB_WHITE };
 
 // These belong in battle_intro.c, but putting them there causes 2 bytes of alignment padding
 // between the two .rodata segments. Perhaps battle_intro.c actually belongs in this file, too.
@@ -333,7 +333,7 @@ void AnimTask_DrawFallingWhiteLinesOnAttacker(u8 taskId)
     GetBattleAnimBg1Data(&animBgData);
     AnimLoadCompressedBgTilemapHandleContest(&animBgData, gBattleAnimMaskTilemap_Curse, 0);
     AnimLoadCompressedBgGfx(animBgData.bgId, gBattleAnimMaskImage_Curse, animBgData.tilesOffset);
-    LoadPalette(wCurseLinesPalette, animBgData.paletteId * 16 + 1, 2);
+    LoadPalette(sCurseLinesPalette, animBgData.paletteId * 16 + 1, 2);
 
     gBattle_BG1_X = -gSprites[spriteId].pos1.x + 32;
     gBattle_BG1_Y = -gSprites[spriteId].pos1.y + 32;