Rubeus Hagrid is the gameskeeper at Hogwarts. He maintains the grounds around the Wizarding School. In addition he is Hogwart's Care of Magical Creatures professor given his years of experience working with the variety of magical creatures that inhabit the Hogwarts grounds. He is a half-giant wizard, son of a wizard father and giantess mother. Hagrid was tasked to introduce Harry Potter to the wizarding world and accompanied the young wizard to Diagon Alley. He quickly became one of Harry's best friends with his friendly, jovial demeanor and attitude.