Because you like Apu Nahasapeemapetilon in The Simpsons

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

Skye is a pluck hacktivist who tries to use her power for good. Unfortunately, " good" isn't always so clear-cut. See them in Marvel Cinematic Universe.

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.

Liv Moore is a sarcastic high-achiever turned morally conflicted zombie. See them in iZombie.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

Driven, resentful, and ruthless, Mello is an emotional powder keg. It's only a matter of time before he explodes. See them in Death Note.

If it were up to her, Merida would spend her days practicing archery and swordfighting, riding her horse, and exploring the Highlands. See them in Brave.

Raphael is a short-fused hothead who loves a good fight and some tasty pizza. See them in Teenage Mutant Ninja Turtles.

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

Her interests include martial arts, interrogation, and hacking. Natasha Romanoff is the ultimate spy. See them in Marvel Cinematic Universe.

Indiana Jones is a swashbuckling archeologist who hates snakes, Nazis, and priceless artifacts falling into the wrong hands. See them in Raiders of the Lost Ark.

An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.