Because you like Clementine Kruczynski in Eternal Sunshine of the Spotless Mind

Beware! Anton Chigurh carries a coin with him, which he forces his victims to flip to decide whether they will live or die. See them in No Country for Old Men.

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.

Just like half of L.A., Mia Dolan is working a dead end job until she hits the big screens. See them in La La Land.

Donna Pinciotti is strong, independent, and empathetic. No one messes with her. See them in That '70s Show.

Mr. Blonde is the undisputed leader of his pack of suited-up outlaws, with a stoic and serious demeanor, and a penchant for bloodshed. See them in Reservoir Dogs.

Lady Bird's heart is in the right place, usually, but even the purest of people can fall sway to the havoc-wreaking traps of senior year. See them in Lady Bird.

Satine cynically gives up on love so she can advance her singing career. But she meets a dreamer who reminds her there's more to life than ambition. See them in Moulin Rouge.

Terence Fletcher is a brutal and unflinchingly strict music teacher hell-bent on whipping his students into shape. See them in Whiplash.

Nick Carraway is the perfect observer: always there for the events, but never too involved. See them in The Great Gatsby.

Herion is Mark Renton's favorite drug. He sniffs it, smokes it, swallows it, sticks it up his arse, and injects it into his veins. See them in Trainspotting.