Because you like Izzie Stevens in Grey's Anatomy

Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .

Although Jareth seems like he's just a harmless romantic, his powers make him a formidable foe. See them in Labyrinth.

Daring on a bike but haunted in his personal life, even Johnny Blaze isn't fast enough to outride his past. See them in Ghost Rider.

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

Edward Kenway can be reckless and greedy, but he's learning that his ancient ancestry carries a noble burden. See them in Assassin's Creed Series.

Wise beyond his years, Ashitaka is a dutiful young prince who respects the balance of life. See them in Princess Mononoke.

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.

Talented but anxious, Shinji Ikari struggles to bear the challenges that life hands him. See them in Neon Genesis Evangelion.

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

Emmet Brickowski is so upbeat it's not even human. Everything is AWESOME! See them in The Lego Movie.