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