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