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