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