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
Magic in Harry Potter a central authority by law, though a number of characters are revealed over the course of the series to have remained unregistered illegally: James Potter, Sirius Black, Peter Pettigrew and Rita Skeeter. Animagi transformation can be performed wandlessly. Sirius and Peter are left wandless for over 10 years, but both retain the ability with no apparent ill effects. When Animagi transform, they take on the appearance of a normal animal. However, in "Harry Potter and the Prisoner of Azkaban", it is noted that Ron's pet rat Scabbers (later revealed as Peter Pettigrew's Animagus form) has lived over twelve years when