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 and the Order of the Phoenix for the illegal organisation, he is forced to leave the school and go into hiding. Dolores Umbridge becomes headmistress, and Fred and George cause pandemonium around the school in revenge. During one Occlumency lesson, Snape is called away. Harry, left alone, looks into Dumbledore's Pensieve, which Snape has borrowed, and sees a memory of Snape's time as a student at Hogwarts. Harry is shocked to witness his father, James Potter, and Sirius bullying and humiliating Snape. Snape catches Harry and, enraged, refuses to continue the lessons. Distraught at this revelation of his father's character, Harry talks to Sirius and Lupin