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