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