a tall, thin man who wears half-moon spectacles and has silver hair and a beard that tucks into his belt, is the headmaster of Hogwarts, and thought to be the only wizard Voldemort fears. Dumbledore, while renowned for his achievements in magic, finds it difficult to resist sweets and has a whimsical sense of humour. Although he shrugs off praise, he is aware of his own brilliance. Rowling described him as the "epitome of goodness".[7]
Professor McGonagall, a tall, severe-looking woman with black hair tied in a tight bun, teaches Transfiguration, and sometimes transforms herself into a cat. She is Head of Gryffindor House and, according to the author, "under that gruff exterior" is "a bit of an old softy".