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