Severus Snape

Build: thin, asthenic type.

Appearance: Snape paid little attention to his appearance, his greasy, unwashed hair was the subject of ridicule and jokes.

Personality: Generally described as cold, calculating, precise, sarcastic, and bitter. Snape strongly dislikes Harry and often insults him, belittling his father, James.

Clothing: He prefers to wear a black, flowing robe, which gives him the appearance of a bat.

Height: Snape was of average height, with thin lips that often twisted into a mocking smile.