Because you like Katara in Avatar: The Last Airbender

An all-business doc , Miranda Bailey dispenses tough love to the interns she trains. Emphasis on "tough." See them in Grey's Anatomy.

Jackie Burkhart is a privileged princess with a healthy dose of self-confidence. See them in That '70s Show.

Piper Halliwell is the most kind and caring Charmed One. See them in Charmed.

This isn't the Captian Hook of your nightmares; he's charming and devilishly handsome. See them in Once Upon a Time.

In Ziva David's world, you grow up fast; you don't have a choice. See them in NCIS.

Audrey Horne may seem inquisitive and charming, but she can turn on a dime. See them in Twin Peaks.

Not only will Emmett Brown's time-saving gadgets help you travel with ease, his tinkering on your car will help you get wherever you need to go. Fast. See them in Back to the Future.

Be careful around Marie Laveau. There's no one more vengeful than a double-crossed voodoo queen. See them in American Horror Story.

Faith has a chip on her shoulder and a stake in her hand to slay vampires in her town. See them in Buffy the Vampire Slayer.

The biggest lesson from this inspiring teacher? Carpe diem. See them in Dead Poets Society.

A sexy succubus , Morrigan Aensland lives for pleasure. See them in Darkstalkers .

A cursed pirate captain, Barbossa is greedy, vengeful, and surprisingly cheeky. See them in Pirates of the Caribbean: the Curse of the Black Pearl.