TotalFilm: Now infamous for playing Glee's cheerleading coach who we all hate to love. Or is that the other way around? Screeching rapid-fire insults at both her charges and nemesis Gleeman Will (our favourite: “You think this is hard? I'm passing a gallstone as we speak. That is hard!”), Sue Sylvester is the barbed baddie who’s charged with curbing the show’s saccharine leanings. She is, in short, an evil genius.