Dick Grayson is a fictional character in the DC Comics universe, known primarily as the original Robin, the sidekick of Batman. He first appeared in Detective Comics #38 in 1940. Grayson is a skilled acrobat and martial artist, having been trained by Batman to fight crime in Gotham City. Later in his story, Dick Grayson adopts the superhero identity of Nightwing, becoming a hero in his own right. He has also been a member of various superhero teams, including the Teen Titans and the Justice League. Grayson's character represents themes of growth, independence, and the struggle between legacy and self-identity.