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
Fictional universe of Harry Potter and put his/her head into the flames, causing it to appear in the fireplace of the wizard with whom he/she intends to speak. This use of the Network is first seen in "Harry Potter and the Goblet of Fire" when Harry sees Amos Diggory's head in the Weasleys' fireplace at The Burrow, talking to Molly Weasley. Harry also uses this method to communicate with Sirius Black on several occasions during the series. The etiquette surrounding using the fireplace for communication is not explicitly addressed in the series. Dumbledore tells Harry it is not polite for a wizard to apparate (appear