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