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 Death Eater Alecto Carrow teaches Muggle Studies. However, her lessons (which are made compulsory) mainly describe muggles and muggle-borns as subhuman and worthy of persecution. Alchemy classes are not mentioned in the "Harry Potter" series; however, Rowling has used Alchemy as an example of a 'specialized' subject offered when there is sufficient demand. Alchemy is a philosophical tradition searching for the philosopher's stone, which is said to have the power to turn base metals into gold and to contain the elixir of life, which makes or keeps the drinker young and immortal. As mentioned in "Harry Potter and the Philosopher's