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