Hermione bought Crookshanks from a shop in Diagon Alley out of sympathy, as nobody wanted him due to his face, which looked squashed. Crookshanks had a habit of trying to hunt down the pet rat of Ron Weasley, Scabbers. Crookshanks is part Kneazle, giving an explanation for his higher than normal cat intelligence.
Individual Additional Information
Relationships
Crookshanks has an unspecified social relationship with Hermione Granger.
Crookshanks 
