Villain :  (noun)
1: a wicked or evil person; someone who does evil deliberately [syn: scoundrel]
2: the principle bad character in a film or work of fiction [syn: baddie]

Roscius, SOB, actor, actress, antagonist, antihero, bad guy, bad person, barnstormer, bastard, bit, bit part, blackguard, blighter, bounder, cad, caitiff, cast, character, character actor, character man, character woman, child actor, criminal, crook, cue, cur, deceiver, delinquent, devil, diseur, diseuse, dog, dramatizer, evildoer, fat part, feeder, felon, foil, gangster, heavy, hero, heroine, histrio, histrion, ingenue, juvenile, knave, lawbreaker, lead, lead role, leading lady, leading man, leading woman, lines, malefactor, malevolent, malfeasant, malfeasor, matinee idol, mime, mimer, mimic, miscreant, misfeasor, mobster, monologist, mummer, outlaw, pantomime, pantomimist, part, person, personage, piece, playactor, player, precious rascal, protagonist, protean actor, public enemy, racketeer, rapscallion, rascal, rat, reciter, reptile, rogue, role, rotter, scalawag, scamp, scoundrel, shyster, side, sinner, sneak, soubrette, spalpeen, stage performer, stage player, stooge, straight man, straight part, stroller, strolling player, supporting character, supporting role, theatrical, thespian, thief, title role, transgressor, trouper, utility man, viper, walk-on, walking part, worker of ill, wretch, wrongdoer,