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