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