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