Super Mutants from the West coast are made differently than the ones on the east coast! East coast super mutants are artificially made in a lab, while west coast ones used to be human but was dipped in the FEV juice
Heres the difference between the two (West L, East R)
@HotelT I watched your trailer and realized you didn't make Griffin look right. Don't worry, we all make mistakes! Here's what he's actually supposed to look like. Feel free to use it as reference if needed!