Because you like Nathan Scott in One Tree Hill

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

Korra is stubborn, outgoing, and faced with huge responsibilities she might not be ready for. See them in The Legend of Korra.

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.

Basically a giant pillow come to life, Baymax is a medical robot created for the sole purpose of helping people. See them in Big Hero 6.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

Everyone Barney Stinson knows is getting married or pregnant. But he's just getting more awesome. See them in How I Met Your Mother.

Charlie Kelmeckis is a wallflower who's starting to blossom into something more. See them in The Perks of Being a Wallflower.

Po is a clumsy, friendly panda who likes to take it easy. But now he's expected to save the world? See them in Kung Fu Panda.

Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..

A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.

A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.