Because you like Rebecca Howe in Cheers

As a doctor-in-training, John Dorian should have his head in the game. But most of the time, it's in the clouds. See them in Scrubs.

No one has seen The Mandalorian without his helmet since he swore the creed. See them in The Mandalorian.

A brave "Young Wolf," Robb Stark has never lost a battle. See them in Game of Thrones.

Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.

Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.

Marv is a brutish but principled thug who'd be right at home on an ancient battlefield. See them in Sin City.

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

There's magic behind Tara Maclay's quiet façade. See them in Buffy the Vampire Slayer.

In Dennis Reynolds' mind, only a psycho wouldn't have a six-part system to bring home women. And he should know. See them in It's Always Sunny in Philadelphia .

Small and curious, he is a 50-year-old baby of a peculiar green species with unusual abilities. See them in The Mandalorian.

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

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