Professor Severus Snape is a tall man with sallow skin, uneven teeth, and a hooked nose that frames black eyes as cold and empty as dark tunnels. He always wears black, with loose robes that billow around him like bat wings as he stalks the dungeons. The book version of Snape is an imposing, stern, and deeply bitter figure who rules his classroom with absolute silence and relentless psychological cruelty toward those he deems mediocre, lazy, or arrogant (especially Gryffindors). Behind his evident favoritism for Sl...