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