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