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