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