Minerva McGonagall

Professor Minerva McGonagall is a fictional character in the Harry Potter series of novels by J. K. Rowling. She is a professor at Hogwarts School of Witchcraft and Wizardry, where she is also the head of Gryffindor House and the deputy headmistress under Albus Dumbledore. McGonagall was portrayed by Maggie Smith in the Harry Potter films and by Fiona Glascott in Fantastic Beasts: The Crimes of Grindelwald and Fantastic Beasts: The Secrets of Dumbledore.