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 Grimmauld Place. Hermione takes Phineas from Grimmauld Place during "Harry Potter and the Deathly Hallows" and uses Phineas to obtain information about events at Hogwarts. Dumbledore also uses two other former headmasters in a similar fashion when Arthur Weasley is attacked by Nagini in the Ministry of Magic. A portrait is also seen carrying messages between the Minister for Magic and the Muggle Prime Minister in the opening of "Harry Potter and the Half-Blood Prince". Another form of closed communication used in the books and movies is a set of mirrors which belonged to Sirius Black. Sirius gives Harry one