Because you like John Hartigan in Sin City

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

After Rintarou Okabe develops the Phone Microwave, some of his fantasies start to seem uncomfortably real. See them in Steins;Gate.

Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.

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

John Wick is a widowed former Navy Seal who becomes a notoriously effective hitman, killing over 124 people with gunshots alone. See them in John Wick.

Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.

Harry Osborn is the privileged son of Oscorp's founder with a goblin-sized chip on his shoulder. See them in Marvel Cinematic Universe.

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.

A cruel pirate, Captain Hook still fancies himself a gentleman. See them in Peter Pan.

Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.

Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.

Hannah Horvath is kind of a mess, but she owns her messiness in a way few people do. See them in Girls.