How well do you know Harry Potter? (4) How well do you know the wizarding world of Harry Potter. See what you get. Good luck! kimily_weasley published on May 31, 201550 responses 2 4.0★ / 5 Questions in vertical order In which class did Harry receive an O on his OWL in? Herbology Potions Defense Against the Dark Arts Who was Harry's first best friend. Ron Weasley Hermione Granger Neville Longbottom When is Harry Potter's birthday? June 13 July 31 July 13 What is Harry's father's name? Jonathan Jared James What does the fandom of Harry Potter call Harry, Ron, and Hermione? The Fantastic 3 The Golden Trio The Amazing Trio Who is Peeves? Peeves? A misbehaving ghost. The spirit of chaos.