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