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