Because you like Harry Goldfarb in Requiem for a Dream

Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.

Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.

Scar is sneaky, snarky, and always striving for more power. See them in The Lion King.

They say they saved Adam Jensen by turning him into a cyborg, but he's not sure saved is the right word. See them in Deus Ex Series.

Pure charm, flirty and fashionable, Lando Calrissian will make sure to get the job done when necessary. See them in Star Wars Series.

Rayon is kinder to the world than the world is to her. See them in Dallas Buyers Club.

A cursed pirate captain, Barbossa is greedy, vengeful, and surprisingly cheeky. See them in Pirates of the Caribbean: the Curse of the Black Pearl.

This barber doesn't cut hair. Sweeney Todd sends his clients down a chute to be baked into his partner-in-crime's pies. See them in Sweeney Todd: The Demon Barber of Fleet Street.

Jack Bauer is a terrorist fighter who is scared of nothing and no one. The clock is ticking! See them in 24.

Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.

Marv is a brutish but principled thug who'd be right at home on an ancient battlefield. See them in Sin City.

Britta Perry has never met a cause she couldn't passionately champion—at least for a little bit. See them in Community.