Severus Snape is the potions teacher at Hogwarts School of Witchcraft and Wizardry. He is known for his long, dark black hair, and stern personality. He is a tough teacher. He doesn’t seem to like Harry, Ron and Hermione very much, because they are always getting into trouble. Severus Snape went to school with Harry’s parents, and made an enemy of Harry’s father, James Potter. He was in love with Harry’s mother, Lily, since knowing her from childhood. Severus Snape is an Animagus, and can turn himself at will, into a bat.