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