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