diff --git a/data/battle_anim_scripts.s b/data/battle_anim_scripts.s
index 8d7e14d6a7..507d6ccdc7 100644
--- a/data/battle_anim_scripts.s
+++ b/data/battle_anim_scripts.s
@@ -134,7 +134,7 @@ gBattleAnims_Moves::
 	.4byte Move_FOCUS_ENERGY
 	.4byte Move_BIDE
 	.4byte Move_METRONOME
-	.4byte Move_MIRROR_MOVE @ doesn�t have an actual animation
+	.4byte Move_MIRROR_MOVE @ doesn't have an actual animation
 	.4byte Move_SELF_DESTRUCT
 	.4byte Move_EGG_BOMB
 	.4byte Move_LICK
diff --git a/graphics/battle_anims/sprites/seed-new.png b/graphics/battle_anims/sprites/seed_new.png
similarity index 100%
rename from graphics/battle_anims/sprites/seed-new.png
rename to graphics/battle_anims/sprites/seed_new.png
diff --git a/graphics/battle_anims/sprites/trump-card-particles.png b/graphics/battle_anims/sprites/trump_card_particles.png
similarity index 100%
rename from graphics/battle_anims/sprites/trump-card-particles.png
rename to graphics/battle_anims/sprites/trump_card_particles.png
diff --git a/graphics/battle_anims/sprites/trump-cards.png b/graphics/battle_anims/sprites/trump_cards.png
similarity index 100%
rename from graphics/battle_anims/sprites/trump-cards.png
rename to graphics/battle_anims/sprites/trump_cards.png
diff --git a/src/graphics.c b/src/graphics.c
index 043dab6dea..c7783221ae 100644
--- a/src/graphics.c
+++ b/src/graphics.c
@@ -48,7 +48,7 @@ const u32 gBattleAnimSpriteGfx_AirWave[] = INCBIN_U32("graphics/battle_anims/spr
 const u32 gBattleAnimSpriteGfx_Orb[] = INCBIN_U32("graphics/battle_anims/sprites/orb.4bpp.lz");
 const u32 gBattleAnimSpriteGfx_Sword[] = INCBIN_U32("graphics/battle_anims/sprites/sword.4bpp.lz");
 const u32 gBattleAnimSpriteGfx_Seed[] = INCBIN_U32("graphics/battle_anims/sprites/seed.4bpp.lz");
-const u32 gBattleAnimSpriteGfx_SeedBrown[] = INCBIN_U32("graphics/battle_anims/sprites/seed-new.4bpp.lz");
+const u32 gBattleAnimSpriteGfx_SeedBrown[] = INCBIN_U32("graphics/battle_anims/sprites/seed_new.4bpp.lz");
 
 const u32 gBattleAnimSpritePal_RainDrops[] = INCBIN_U32("graphics/battle_anims/sprites/rain_drops.gbapal.lz");
 const u32 gBattleAnimSpritePal_Bone[] = INCBIN_U32("graphics/battle_anims/sprites/bone.gbapal.lz");
@@ -56,7 +56,7 @@ const u32 gBattleAnimSpritePal_AirWave[] = INCBIN_U32("graphics/battle_anims/spr
 const u32 gBattleAnimSpritePal_Orb[] = INCBIN_U32("graphics/battle_anims/sprites/orb.gbapal.lz");
 const u32 gBattleAnimSpritePal_Sword[] = INCBIN_U32("graphics/battle_anims/sprites/sword.gbapal.lz");
 const u32 gBattleAnimSpritePal_Seed[] = INCBIN_U32("graphics/battle_anims/sprites/seed.gbapal.lz");
-const u32 gBattleAnimSpritePal_SeedBrown[] = INCBIN_U32("graphics/battle_anims/sprites/seed-new.gbapal.lz");
+const u32 gBattleAnimSpritePal_SeedBrown[] = INCBIN_U32("graphics/battle_anims/sprites/seed_new.gbapal.lz");
 
 const u32 gBattleAnimSpriteGfx_Needle[] = INCBIN_U32("graphics/battle_anims/sprites/needle.4bpp.lz");
 const u32 gBattleAnimSpritePal_Needle[] = INCBIN_U32("graphics/battle_anims/sprites/needle.gbapal.lz");
@@ -119,11 +119,11 @@ const u32 gBattleAnimSpriteGfx_WavingHand[] = INCBIN_U32("graphics/battle_anims/
 const u32 gBattleAnimSpriteGfx_Feint[] = INCBIN_U32("graphics/battle_anims/sprites/feint-punch.4bpp.lz");
 const u32 gBattleAnimSpritePal_Feint[] = INCBIN_U32("graphics/battle_anims/sprites/feint-punch.gbapal.lz");
 
-const u32 gBattleAnimSpriteGfx_TrumpCard[] = INCBIN_U32("graphics/battle_anims/sprites/trump-cards.4bpp.lz");
-const u32 gBattleAnimSpritePal_TrumpCard[] = INCBIN_U32("graphics/battle_anims/sprites/trump-cards.gbapal.lz");
+const u32 gBattleAnimSpriteGfx_TrumpCard[] = INCBIN_U32("graphics/battle_anims/sprites/trump_cards.4bpp.lz");
+const u32 gBattleAnimSpritePal_TrumpCard[] = INCBIN_U32("graphics/battle_anims/sprites/trump_cards.gbapal.lz");
 
-const u32 gBattleAnimSpriteGfx_TrumpCardParticles[] = INCBIN_U32("graphics/battle_anims/sprites/trump-card-particles.4bpp.lz");
-const u32 gBattleAnimSpritePal_TrumpCardParticles[] = INCBIN_U32("graphics/battle_anims/sprites/trump-card-particles.gbapal.lz");
+const u32 gBattleAnimSpriteGfx_TrumpCardParticles[] = INCBIN_U32("graphics/battle_anims/sprites/trump_card_particles.4bpp.lz");
+const u32 gBattleAnimSpritePal_TrumpCardParticles[] = INCBIN_U32("graphics/battle_anims/sprites/trump_card_particles.gbapal.lz");
 
 const u32 gBattleAnimSpriteGfx_ClosingEye[] = INCBIN_U32("graphics/battle_anims/sprites/closing_eye.4bpp.lz");
 const u32 gBattleAnimSpritePal_ClosingEye[] = INCBIN_U32("graphics/battle_anims/sprites/closing_eye.gbapal.lz");