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 influences and analogues Harry Potter influences and analogues Writer J. K. Rowling cites several writers as influences in her creation of her bestselling "Harry Potter" series. Writers, journalists and critics have noted that the books also have a number of analogues; a wide range of literature, both classical and modern, which Rowling has not openly cited as influences. This article is divided into three sections. The first section lists those authors and books which Rowling has suggested as possible influences on "Harry Potter". The second section deals with those books which Rowling has cited as favourites without mentioning possible influences. The third section