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