diff --git a/pokeemerald-tools/pkmndata.xlsx b/pokeemerald-tools/pkmndata.xlsx
index c420f92322..fb0b292642 100644
Binary files a/pokeemerald-tools/pkmndata.xlsx and b/pokeemerald-tools/pkmndata.xlsx differ
diff --git a/pokeemerald-tools/sprite-prepper.py b/pokeemerald-tools/sprite-prepper.py
index 5152f90b67..b85c74d061 100644
--- a/pokeemerald-tools/sprite-prepper.py
+++ b/pokeemerald-tools/sprite-prepper.py
@@ -1,3 +1,62 @@
-FrontSprite = "gMonFrontPic_"
-BackSprite = "gMonBackPic_"
-Palette = "gMonPalette_"
\ No newline at end of file
+#Tool for creating new gen.h files for emerald expansion
+#Takes information from excel sheet and prepares .h file for custom pokemon
+import os
+import re
+import shutil
+import openpyxl as pyxl
+
+from openpyxl.workbook import Workbook
+from openpyxl import load_workbook
+
+FrontSprite = "front.png"
+BackSprite = "back.png"
+Icon = "icon.png"
+#FolderPath = "graphics"
+
+#Globals for making header, opening data, debug prints, etc
+PkmnData = load_workbook('/home/nicksnax/pokeemerald-expansion/pokeemerald-tools/pkmndata.xlsx')
+PkmnDataFile = PkmnData['sanity-data']
+
+#print(os.walk('.'))
+
+root_directory = "."
+print(f"FrontSprite Dir: {os.path.isdir("./FrontSprite")}")
+print(f"BackSprite Dir: {os.path.isdir("./BackSprite")}")
+print(f"FrontSpriteShiny Dir: {os.path.isdir("./FrontSpriteShiny")}")
+print(f"BackSpriteShiny Dir: {os.path.isdir("./BackSpriteShiny")}")
+print(f"Icon Dir: {os.path.isdir("./Icon")}\n")
+os.makedirs("graphics", exist_ok = True)
+
+#Step through source file and see if sprite files have a matching sprite
+#for species in PkmnDataFile.iter_rows(min_row=2, max_row=2, min_col=1, max_col=1):
+for species in PkmnDataFile.iter_rows(min_row=2, max_row=PkmnDataFile.max_row, min_col=1, max_col=1):
+    for data in species:
+        for file in os.listdir("./FrontSprite"):
+            fileSplit = re.split(r"[_.]",file)
+            #print(fileSplit)
+            for word in fileSplit:
+                if data.value == word:
+                    os.makedirs(f"graphics/{data.value.lower()}", exist_ok = True)
+                    shutil.copy(f"FrontSprite/{file}", f"graphics/{data.value.lower()}/front.png")
+#         for file in os.listdir("./FrontSpriteShiny"):
+#             if data.value in file:
+#                 os.makedirs(f"graphics/{data.value.lower()}", exist_ok = True)
+#                 shutil.copy(f"FrontSpriteShiny/{file}", f"graphics/{data.value.lower()}/front-shiny.png")
+#         for file in os.listdir("./BackSprite"):
+#             if data.value in file:
+#                 os.makedirs(f"graphics/{data.value.lower()}", exist_ok = True)
+#                 shutil.copy(f"BackSprite/{file}", f"graphics/{data.value.lower()}/back.png")
+        for file in os.listdir("./BackSpriteShiny"):#backsprite copy name is still shiny due to palette generation of make
+            fileSplit = re.split(r"[_.]",file)
+            #print(fileSplit)
+            for word in fileSplit:
+                if data.value == word:
+                    os.makedirs(f"graphics/{data.value.lower()}", exist_ok = True)
+                    shutil.copy(f"BackSpriteShiny/{file}", f"graphics/{data.value.lower()}/back.png")
+        for file in os.listdir("./Icon"):
+            fileSplit = re.split(r"[_.]",file)
+            #print(fileSplit)
+            for word in fileSplit:
+                if data.value == word:
+                    os.makedirs(f"graphics/{data.value.lower()}", exist_ok = True)
+                    shutil.copy(f"Icon/{file}", f"graphics/{data.value.lower()}/icon.png")