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

Caitlin Snow believes that burying herself in science is the best way to save the day or to mend a broken heart. See them in DC Extended Universe.

Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.

A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.

Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.

A crooked cop, Harvey Bullock is the product of a not-so-just criminal justice system. See them in Gotham.

A tough tomboy with a protective streak, Maximum Ride is a human-bird hybrid. See them in Maximum Ride.

Olivia Benson brings order to a world full of chaos. And she never forgets who she's fighting for. See them in Law & Order: Special Victims Unit.

A dedicated hedonist, Jack Harkness appreciates raunchy stories, stiff drinks, and excellent bottoms. See them in Doctor Who.

One of the best in the magical world, Mad-Eye has the battle scars to prove his dedication to such a dangerous job. See them in Harry Potter Series.

Big Boss is a disillusioned mercenary commander who wants to create a world for soldiers (and soldiers alone). See them in Metal Gear Series.

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

Emmet Brickowski is so upbeat it's not even human. Everything is AWESOME! See them in The Lego Movie.