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