Because you like Number Six in Battlestar Galactica

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

Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.

Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.

A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.

Born into luxury, Sybil Crawley wants to find real purpose and meaning in her privileged life. See them in Downton Abbey.

Jack Bauer is a terrorist fighter who is scared of nothing and no one. The clock is ticking! See them in 24.

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.

Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.

Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.

Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.

Assistant to the demanding editor-in-chief, Emily Charlton comes across as cold and insensitive. But who can blame her? See them in The Devil Wears Prada.

Sometimes being a supportive girlfriend like Ophelia doesn't work out too well. See them in Hamlet.