Because you like Jo Wilson in Grey's Anatomy

Aang is already a master airbender and once he learns to manipulate water, earth, and fire, he'll be truly unbeatable. See them in Avatar: The Last Airbender.

Larger than life and wealthy beyond measure, Willy Wonka is more than a titan in the sweets industry; he is an arbiter of taste. See them in Charlie and the Chocolate Factory.

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.

Father to a murdered son and husband to a murdered wife, Maximus Decimus Meridius will have his vengeance. See them in Gladiator.

Ash Williams is a houseware clerk at S-Mart and the Chosen One. See them in The Evil Dead.

Tracy Turnblad's got rhythm, and she's determined to share her dance moves with the world. See them in Hairspray.

Dory is more than a little forgetful, but she'll always remember to have your back. See them in Finding Nemo.

The quiet, intense Daryl Dixon lets his crossbow do the talking. See them in The Walking Dead.

Winnie the Pooh is a chubby little cubby all stuffed with fluff. See them in Winnie the Pooh.

Charles Xavier is a telepath who believes mutants and humans are both good at heart and can live in harmony. See them in X-Men Series.

An agile and powerful swordswoman, Saber is a dignified warrior down to her bones. See them in Fate/Stay Night.

A gruff and hardened professional, Marcus Fenix keeps his emotions buried deep. See them in Gears of War.