Do you want to compare Mephisto with Metallo? Discover the powers, weakness & weapons of Mephisto and Metallo from Mephisto Biography and Metallo Biography. Find out all about Mephisto and Metallo.# Check out how is Mephisto unique and distinct from Metallo. Discover their love interest, sidekicks, family tree and the movies and games list in which Mephisto and Metallo have appeared. Find out everything about them here!