Because you like Caleb Rivers in Pretty Little Liars

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

What Mako Mankanshoku lacks in common sense, she makes up for in sheer optimism and force of personality. See them in Kill la Kill.

WALL-E is a quirky little romantic robot cleaning the wasteland known as Earth. See them in WALL-E.

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .

Ellen Ripley defines the word "badass." When she's not leading her crew on an interstellar voyage, she's slaying terrifying creatures. See them in Alien.

A rebellious blue-haired art student, Karou has mysterious connections to a magical world. See them in Daughter of Smoke and Bone .

A gruff and hardened professional, Marcus Fenix keeps his emotions buried deep. See them in Gears of War.

Fiercely independent and extremely hot-blooded, Ryuko Matoi prefers to work alone. See them in Kill la Kill.

Trying to get through school without being a burden to anyone, Tohru Honda stays cheerful despite her difficulties. See them in Fruits Basket.

Alex DeLarge likes his favorite milk-based, drug-laced cocktail. It helps him get in the mood for a night of "ultra violence." See them in A Clockwork Orange.

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.