Backpack Crookshanks, Hermiones cat

When Hermione received money from her parents as a present for her fourteenth birthday, she was going to buy an owl with it, but the "poor cat" looked so miserable, and the helpful witch-saleswoman pity-told her that the poor animal had been living in the store for years and no one bought it. Anyway, Hermione came out of the store with a huge cat in her arms. The bellybutton is actually half cat, half munchkin. In the book he is described as, "He looked like a huge cat or a small tiger with a flattened face.