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