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