By the end of Harry Potter, Snape is characterized as a double agent ... In the films, Rickman has shoulder-length black hair, a pale face with a big nose, and a black cloak that never changes ...

In the books and films, Snape, a professor at the Hogwarts School of Witchcraft and Wizardry, was a 30-something, unattractive professor who had “greasy black hair, cold black eyes, sallow skin ...