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