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