1 step: get mario 64 model pack (any pack will work as long as it has mario) step 2: get this map step 3: download wario head model step 4: download drgbase pizza tower npcs (the 3D one)
step 5: load onto map step 6:put pizzaface npc in a spooky hallway and make him invisible step 7: use easy bonemerge tool mod to put wario head on invisible pizzaface step 8: add mario model somewhere and make it all black step 9: that's it