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