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