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
The Magical Worlds of Harry Potter it was "cool that their hero, Harry, was encountering some of the creatures of mythology." Colbert felt that knowing the origins of Rowling's character and creatures increased "the books' magic tenfold" and made the "Harry Potter" universe seem more lifelike. Feeling that he wanted to share this with others, Colbert spent a year researching the references in the novels and collected his discoveries for a guidebook to the magical world of Harry Potter. Colbert wrote "The Magical Worlds of Harry Potter" while teaching a seminar on self-publishing to graduate students at the University of North Carolina. He had it self-published