Because you like Samantha Baker in Sixteen Candles

Whether she's working as a mild-mannered assistant or an all-powerful superhero, Kara Danvers is defined above all by her huge heart. See them in Supergirl.

Walter White's knowledge of chemistry allows him to cook astoundingly pure meth, leading to a rapid – albeit tumultuous – rise in the criminal drug world. See them in Breaking Bad.

If you need her, Lisa Simpson will be in her room with her saxophone and a good book. See them in The Simpsons.

Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.

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

Napoleon Dynamite loves tater tots, mythical beasts, and reveling in his awkwardness. See them in Napoleon Dynamite.

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

What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.

Tarzan is walking the line between human and animal. Good thing he has excellent balance. See them in Tarzan.

There are certain souls the surprisingly sensitive Death would rather not reap. See them in The Book Thief.

While Jay Gatsby doesn't necessarily like to attend his parties, he knows how to throw a world-class bash. See them in The Great Gatsby.