Magical creatures in Harry Potter Granger's pet cat. Crookshanks was purchased by Hermione in a shop called Magical Menagerie in the third Harry Potter book; Harry Potter and The Prisoner Of Azkaban. Crookshanks resembles a Persian Cat, and Rowling has described him as half-Kneazle, an intelligent cat-like creature sensitive to dishonesty, explaining his identification of the rat 'Scabbers' as Peter Pettigrew, and of Sirius Black in his dog form. Crookshanks is seen in Prisoner of Azkaban talking to Padfoot in the school grounds. Crookshanks was portrayed by a cat called Crackerjack. Dobby is a "house-elf" in the Harry Potter series. He was once owned by
Harry Potter (character) restores Harry's self-esteem by explaining that that feat is clear proof of his worthiness of his present house. In the third book, "Harry Potter and the Prisoner of Azkaban", Rowling uses a time travel premise. Harry learns that his parents were betrayed to Voldemort by their friend Peter Pettigrew, who framed Harry's godfather Sirius Black for the crimes, condemning him to Azkaban, the wizard prison. When Sirius escapes to find Harry, Harry and Hermione use a Time Turner to save him and a hippogriff named Buckbeak. When Pettigrew escapes, an innocent Sirius becomes a hunted fugitive once again. Harry learns