diff --git a/graphics/battle_environment/building/palette2.pal b/graphics/battle_environment/building/gym.pal
similarity index 100%
rename from graphics/battle_environment/building/palette2.pal
rename to graphics/battle_environment/building/gym.pal
diff --git a/graphics/battle_environment/building/palette3.pal b/graphics/battle_environment/building/leader.pal
similarity index 100%
rename from graphics/battle_environment/building/palette3.pal
rename to graphics/battle_environment/building/leader.pal
diff --git a/graphics/battle_environment/stadium/palette1.pal b/graphics/battle_environment/stadium/aqua.pal
similarity index 100%
rename from graphics/battle_environment/stadium/palette1.pal
rename to graphics/battle_environment/stadium/aqua.pal
diff --git a/graphics/battle_environment/stadium/palette6.pal b/graphics/battle_environment/stadium/drake.pal
similarity index 100%
rename from graphics/battle_environment/stadium/palette6.pal
rename to graphics/battle_environment/stadium/drake.pal
diff --git a/graphics/battle_environment/stadium/palette5.pal b/graphics/battle_environment/stadium/glacia.pal
similarity index 100%
rename from graphics/battle_environment/stadium/palette5.pal
rename to graphics/battle_environment/stadium/glacia.pal
diff --git a/graphics/battle_environment/stadium/palette2.pal b/graphics/battle_environment/stadium/magma.pal
similarity index 100%
rename from graphics/battle_environment/stadium/palette2.pal
rename to graphics/battle_environment/stadium/magma.pal
diff --git a/graphics/battle_environment/stadium/palette4.pal b/graphics/battle_environment/stadium/phoebe.pal
similarity index 100%
rename from graphics/battle_environment/stadium/palette4.pal
rename to graphics/battle_environment/stadium/phoebe.pal
diff --git a/graphics/battle_environment/stadium/palette3.pal b/graphics/battle_environment/stadium/sidney.pal
similarity index 100%
rename from graphics/battle_environment/stadium/palette3.pal
rename to graphics/battle_environment/stadium/sidney.pal
diff --git a/graphics/battle_environment/stadium/palette7.pal b/graphics/battle_environment/stadium/wallace.pal
similarity index 100%
rename from graphics/battle_environment/stadium/palette7.pal
rename to graphics/battle_environment/stadium/wallace.pal
diff --git a/include/item_use.h b/include/item_use.h
index ccb0f4f3df..226f9d90d3 100644
--- a/include/item_use.h
+++ b/include/item_use.h
@@ -63,4 +63,11 @@ enum {
 bool32 CanThrowBall(void);
 bool32 CannotUseItemsInBattle(u16 itemId, struct Pokemon *mon);
 
+enum ItemTMHMOrEvolutionStone
+{
+    ITEM_IS_OTHER,
+    ITEM_IS_TM_HM,
+    ITEM_IS_EVOLUTION_STONE,
+};
+
 #endif // GUARD_ITEM_USE_H
diff --git a/src/data/graphics/battle_environment.h b/src/data/graphics/battle_environment.h
index 4d271ea82d..c1802892e3 100644
--- a/src/data/graphics/battle_environment.h
+++ b/src/data/graphics/battle_environment.h
@@ -8,15 +8,15 @@ const u16 gBattleEnvironmentPalette_Building[] = INCBIN_U16("graphics/battle_env
 
 const u16 gBattleEnvironmentPalette_Kyogre[] = INCBIN_U16("graphics/battle_environment/water/kyogre.gbapal");
 const u16 gBattleEnvironmentPalette_Groudon[] = INCBIN_U16("graphics/battle_environment/cave/groudon.gbapal");
-const u16 gBattleEnvironmentPalette_BuildingGym[] = INCBIN_U16("graphics/battle_environment/building/palette2.gbapal");
-const u16 gBattleEnvironmentPalette_BuildingLeader[] = INCBIN_U16("graphics/battle_environment/building/palette3.gbapal");
-const u16 gBattleEnvironmentPalette_StadiumAqua[] = INCBIN_U16("graphics/battle_environment/stadium/palette1.gbapal");
-const u16 gBattleEnvironmentPalette_StadiumMagma[] = INCBIN_U16("graphics/battle_environment/stadium/palette2.gbapal");
-const u16 gBattleEnvironmentPalette_StadiumSidney[] = INCBIN_U16("graphics/battle_environment/stadium/palette3.gbapal");
-const u16 gBattleEnvironmentPalette_StadiumPhoebe[] = INCBIN_U16("graphics/battle_environment/stadium/palette4.gbapal");
-const u16 gBattleEnvironmentPalette_StadiumGlacia[] = INCBIN_U16("graphics/battle_environment/stadium/palette5.gbapal");
-const u16 gBattleEnvironmentPalette_StadiumDrake[] = INCBIN_U16("graphics/battle_environment/stadium/palette6.gbapal");
-const u16 gBattleEnvironmentPalette_StadiumWallace[] = INCBIN_U16("graphics/battle_environment/stadium/palette7.gbapal");
+const u16 gBattleEnvironmentPalette_BuildingGym[] = INCBIN_U16("graphics/battle_environment/building/gym.gbapal");
+const u16 gBattleEnvironmentPalette_BuildingLeader[] = INCBIN_U16("graphics/battle_environment/building/leader.gbapal");
+const u16 gBattleEnvironmentPalette_StadiumAqua[] = INCBIN_U16("graphics/battle_environment/stadium/aqua.gbapal");
+const u16 gBattleEnvironmentPalette_StadiumMagma[] = INCBIN_U16("graphics/battle_environment/stadium/magma.gbapal");
+const u16 gBattleEnvironmentPalette_StadiumSidney[] = INCBIN_U16("graphics/battle_environment/stadium/sidney.gbapal");
+const u16 gBattleEnvironmentPalette_StadiumPhoebe[] = INCBIN_U16("graphics/battle_environment/stadium/phoebe.gbapal");
+const u16 gBattleEnvironmentPalette_StadiumGlacia[] = INCBIN_U16("graphics/battle_environment/stadium/glacia.gbapal");
+const u16 gBattleEnvironmentPalette_StadiumDrake[] = INCBIN_U16("graphics/battle_environment/stadium/drake.gbapal");
+const u16 gBattleEnvironmentPalette_StadiumWallace[] = INCBIN_U16("graphics/battle_environment/stadium/wallace.gbapal");
 const u16 gBattleEnvironmentPalette_Rayquaza[] = INCBIN_U16("graphics/battle_environment/sky/palette.gbapal");
 
 const u32 gBattleEnvironmentAnimTiles_TallGrass[] = INCBIN_U32("graphics/battle_environment/tall_grass/anim_tiles.4bpp.smol");
diff --git a/src/field_player_avatar.c b/src/field_player_avatar.c
index a46f292517..5111e0ece3 100644
--- a/src/field_player_avatar.c
+++ b/src/field_player_avatar.c
@@ -277,7 +277,11 @@ static const u8 sRSAvatarGfxIds[GENDER_COUNT] =
     [FEMALE] = OBJ_EVENT_GFX_LINK_RS_MAY
 };
 
-static const u8 sPlayerAvatarGfxToStateFlag[GENDER_COUNT][5][2] =
+static const struct __attribute__((packed))
+{
+    u8 graphicsId;
+    u8 playerFlag;
+} sPlayerAvatarGfxToStateFlag[GENDER_COUNT][5] =
 {
     [MALE] =
     {
@@ -1577,8 +1581,8 @@ static u8 GetPlayerAvatarStateTransitionByGraphicsId(u16 graphicsId, u8 gender)
 
     for (i = 0; i < ARRAY_COUNT(sPlayerAvatarGfxToStateFlag[0]); i++)
     {
-        if (sPlayerAvatarGfxToStateFlag[gender][i][0] == graphicsId)
-            return sPlayerAvatarGfxToStateFlag[gender][i][1];
+        if (sPlayerAvatarGfxToStateFlag[gender][i].graphicsId == graphicsId)
+            return sPlayerAvatarGfxToStateFlag[gender][i].playerFlag;
     }
     return PLAYER_AVATAR_FLAG_ON_FOOT;
 }
@@ -1590,8 +1594,8 @@ u16 GetPlayerAvatarGraphicsIdByCurrentState(void)
 
     for (i = 0; i < ARRAY_COUNT(sPlayerAvatarGfxToStateFlag[0]); i++)
     {
-        if (sPlayerAvatarGfxToStateFlag[gPlayerAvatar.gender][i][1] & flags)
-            return sPlayerAvatarGfxToStateFlag[gPlayerAvatar.gender][i][0];
+        if (sPlayerAvatarGfxToStateFlag[gPlayerAvatar.gender][i].playerFlag & flags)
+            return sPlayerAvatarGfxToStateFlag[gPlayerAvatar.gender][i].graphicsId;
     }
     return 0;
 }
diff --git a/src/item_use.c b/src/item_use.c
index ff8ff9d588..ad08d016b0 100644
--- a/src/item_use.c
+++ b/src/item_use.c
@@ -222,11 +222,11 @@ static void Task_CloseCantUseKeyItemMessage(u8 taskId)
 u8 CheckIfItemIsTMHMOrEvolutionStone(u16 itemId)
 {
     if (GetItemFieldFunc(itemId) == ItemUseOutOfBattle_TMHM)
-        return 1;
+        return ITEM_IS_TM_HM;
     else if (GetItemFieldFunc(itemId) == ItemUseOutOfBattle_EvolutionStone)
-        return 2;
+        return ITEM_IS_EVOLUTION_STONE;
     else
-        return 0;
+        return ITEM_IS_OTHER;
 }
 
 // Mail in the bag menu can't have a message but it can be checked (view the mail background, no message)
diff --git a/src/party_menu.c b/src/party_menu.c
index 6c1be78b45..2a54c921d7 100644
--- a/src/party_menu.c
+++ b/src/party_menu.c
@@ -1152,10 +1152,10 @@ static bool8 DisplayPartyPokemonDataForMoveTutorOrEvolutionItem(u8 slot)
         {
         default:
             return FALSE;
-        case 1: // TM/HM
+        case ITEM_IS_TM_HM: // TM/HM
             DisplayPartyPokemonDataToTeachMove(slot, ItemIdToBattleMoveId(item));
             break;
-        case 2: // Evolution stone
+        case ITEM_IS_EVOLUTION_STONE: // Evolution stone
             if (!GetMonData(currentPokemon, MON_DATA_IS_EGG) && GetEvolutionTargetSpecies(currentPokemon, EVO_MODE_ITEM_CHECK, item, NULL, NULL, CHECK_EVO) != SPECIES_NONE)
                 return FALSE;
             DisplayPartyPokemonDescriptionData(slot, PARTYBOX_DESC_NO_USE);