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
Magical objects in Harry Potter Sirius Black, and James Potter (respectively nicknamed "Moony", "Wormtail", "Padfoot", and "Prongs") while they were students at Hogwarts. During this time, they gained extensive knowledge about the school grounds, such as its various hidden passages, from their frequent night-time adventures together. In "Harry Potter and the Prisoner of Azkaban", Fred and George Weasley give the map to Harry so he can travel to the village of Hogsmeade through a hidden passageway. The twins had previously stolen the map from a drawer in Filch's office that contained dangerous confiscated objects; it is revealed by Lupin that Filch probably knew what it