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