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