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