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