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