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