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