I really like Calix bio it seem right to me. Its kinda refreshing to see a bad guy really on the side of good. His death makes more sense now.
I like most of Snake Faces bio too. Adds a good mythology feel. I like that he once was a priest. And that he was transformed into a snakeman.
Slush Head makes me rethink what the space mutants were all about. Were they rebels? Good in some way before Skeletor took control?
Love Adams bio as the opening for the MYP cartoon.