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