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