Because you like Donkey Kong in Donkey Kong

Ethan Hunt's mission, should he chose to accept it, is to save the world from impossible threats. See them in Mission: Impossible.

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

Wendy Corduroy is the ultimate in cool in Gravity Falls. See them in Gravity Falls.

Jughead Jones loves burgers, his friends, and philosophizing with his unique brand of wisdom. See them in Archie Comics.

David Nolan is a noble fairy tale prince with the heart of a hero, regardless of whether he can remember his past or not. See them in Once Upon a Time.

A believer in the pursuit of justice, Garrus Vakarian hates it when bad guys slip through the cracks of the bureaucratic justice system. See them in Mass Effect.

T'Challa is a regal superhero with the weight of the world (and particularly his nation) on his shoulders. See them in Marvel Cinematic Universe.

A daughter of a pair of superheroes, Hope van Dyne is scientist is brilliant and fearsome. See them in Marvel Cinematic Universe.

The brilliant and well-adjusted Ender Wiggin is being groomed for the next generation of military leaders to fight alien invaders. See them in Ender's Game.

Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.

An arrogant, prideful human-demon hybrid, Inuyasha secretly just wants to be accepted. See them in Inuyasha.

Shaun is used to being lazy. And now, you're asking him to fight for his life? See them in Shaun of the Dead.