diff --git a/graphics/trainers/front_pics/cool_trainer_f_front_pic.png b/graphics/trainers/front_pics/cooltrainer_f_front_pic.png
similarity index 100%
rename from graphics/trainers/front_pics/cool_trainer_f_front_pic.png
rename to graphics/trainers/front_pics/cooltrainer_f_front_pic.png
diff --git a/graphics/trainers/front_pics/cool_trainer_m_front_pic.png b/graphics/trainers/front_pics/cooltrainer_m_front_pic.png
similarity index 100%
rename from graphics/trainers/front_pics/cool_trainer_m_front_pic.png
rename to graphics/trainers/front_pics/cooltrainer_m_front_pic.png
diff --git a/graphics/trainers/palettes/cool_trainer_f.pal b/graphics/trainers/palettes/cooltrainer_f.pal
similarity index 100%
rename from graphics/trainers/palettes/cool_trainer_f.pal
rename to graphics/trainers/palettes/cooltrainer_f.pal
diff --git a/graphics/trainers/palettes/cool_trainer_m.pal b/graphics/trainers/palettes/cooltrainer_m.pal
similarity index 100%
rename from graphics/trainers/palettes/cool_trainer_m.pal
rename to graphics/trainers/palettes/cooltrainer_m.pal
diff --git a/src/data/graphics/trainers.h b/src/data/graphics/trainers.h
index 3de77d6ecb..206d73a881 100644
--- a/src/data/graphics/trainers.h
+++ b/src/data/graphics/trainers.h
@@ -7,8 +7,8 @@ const u32 gTrainerPalette_AquaGruntM[] = INCBIN_U32("graphics/trainers/palettes/
 const u32 gTrainerFrontPic_PokemonBreederF[] = INCBIN_U32("graphics/trainers/front_pics/pokemon_breeder_f_front_pic.4bpp.lz");
 const u32 gTrainerPalette_PokemonBreederF[] = INCBIN_U32("graphics/trainers/palettes/pokemon_breeder_f.gbapal.lz");
 
-const u32 gTrainerFrontPic_CoolTrainerM[] = INCBIN_U32("graphics/trainers/front_pics/cool_trainer_m_front_pic.4bpp.lz");
-const u32 gTrainerPalette_CoolTrainerM[] = INCBIN_U32("graphics/trainers/palettes/cool_trainer_m.gbapal.lz");
+const u32 gTrainerFrontPic_CoolTrainerM[] = INCBIN_U32("graphics/trainers/front_pics/cooltrainer_m_front_pic.4bpp.lz");
+const u32 gTrainerPalette_CoolTrainerM[] = INCBIN_U32("graphics/trainers/palettes/cooltrainer_m.gbapal.lz");
 
 const u32 gTrainerFrontPic_BirdKeeper[] = INCBIN_U32("graphics/trainers/front_pics/bird_keeper_front_pic.4bpp.lz");
 const u32 gTrainerPalette_BirdKeeper[] = INCBIN_U32("graphics/trainers/palettes/bird_keeper.gbapal.lz");
@@ -58,8 +58,8 @@ const u32 gTrainerPalette_TuberF[] = INCBIN_U32("graphics/trainers/palettes/tube
 const u32 gTrainerFrontPic_TuberM[] = INCBIN_U32("graphics/trainers/front_pics/tuber_m_front_pic.4bpp.lz");
 const u32 gTrainerPalette_TuberM[] = INCBIN_U32("graphics/trainers/palettes/tuber_m.gbapal.lz");
 
-const u32 gTrainerFrontPic_CoolTrainerF[] = INCBIN_U32("graphics/trainers/front_pics/cool_trainer_f_front_pic.4bpp.lz");
-const u32 gTrainerPalette_CoolTrainerF[] = INCBIN_U32("graphics/trainers/palettes/cool_trainer_f.gbapal.lz");
+const u32 gTrainerFrontPic_CoolTrainerF[] = INCBIN_U32("graphics/trainers/front_pics/cooltrainer_f_front_pic.4bpp.lz");
+const u32 gTrainerPalette_CoolTrainerF[] = INCBIN_U32("graphics/trainers/palettes/cooltrainer_f.gbapal.lz");
 
 const u32 gTrainerFrontPic_Lady[] = INCBIN_U32("graphics/trainers/front_pics/lady_front_pic.4bpp.lz");
 const u32 gTrainerPalette_Lady[] = INCBIN_U32("graphics/trainers/palettes/lady.gbapal.lz");