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