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