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