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