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