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