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