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