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