Minerva McGonagall, head of Gryffindor house and later Headmaster of Hogwarts School of Witchcraft and Wizardry, is an incredibly intelligent and inspiring witch. Her ability to transform into a cat is just one of her many examples of a great ability to cast spells. Become the witch, portrayed by Dame Maggie Smith in the Harry Potter film series, with her signature cloak and hat.
Robe and Hat