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