Because you like Anya Jenkins in Buffy the Vampire Slayer

Duck, girl, and legend: Ahiru's identities confuse even herself at times, and she often wonders which of them is truly her. See them in Princess Tutu.

After several hundred years of shutting himself out from the rest of the world, Japan's not used to dealing with nations, See them in Axis Powers Hetalia.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.

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

With great power comes great responsibility, but Peter Parker always seems to get the short end of that bargain. See them in Marvel Cinematic Universe.

With the ocean breeze behind him and the open seas ahead of him, Jack Dawson feels as if he is king of the world. See them in Titanic.

She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.

It doesn't matter how noble or brave he is. Jon Snow is a bastard, and people don't let him forget it. See them in Game of Thrones.

Howl puts the "tortured" in tortured artist. He just wants to be recognized for his work, but no one wants to trust a boy that sorta looks like a bird. See them in Howl's Moving Castle.

A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.

Tyler Gage is going to have to step up soon on the dance floor. Otherwise, it's back to janitorial work. See them in Step Up.

Faced with inequality, Gale Hawthorne has a rebellious spirit that only grows. See them in The Hunger Games .