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