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