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