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, 201521 responses 2 4.0★ / 5 Questions in vertical order What is Harry's father's name? Jonathan Jared James In which class did Harry receive an O on his OWL in? Herbology Potions Defense Against the Dark Arts When is Harry Potter's birthday? June 13 July 31 July 13 Who was Harry's first best friend. Ron Weasley Hermione Granger Neville Longbottom 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.