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