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