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