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