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