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