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