What is Hermione granger animal familiar?

Hermione Granger's animal familiar is a cat named Crookshanks. Crookshanks is a half-Kneazle, which gives him unique traits, such as being able to detect untrustworthiness in people. He is known for his distinctive appearance, with a squashed face and a bushy tail, and often accompanies Hermione throughout her time at Hogwarts.