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