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