Because you like Kara "Starbuck" Thrace in Battlestar Galactica

Told her son will one day save the world, Sarah Connor dedicates her life to training him to do just that. See them in The Terminator.

Crono may not talk, but this time-traveling hero's heart speaks volumes. See them in Chrono Trigger.

A ruthless militant, Raza will do anything to take down Tony Stark. See them in Marvel Cinematic Universe.

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

Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.

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

John Locke is an eerily calm, confident believer in the magic of the island that gave him his legs back. See them in Lost.

Effortlessly sexy, calm, and collected, Eric Northman is equally at home ripping off heads and flirting with waitresses. See them in True Blood.

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

Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.

A powerful priestess, Melisandre is shrouded in mystery and lots of red. See them in Game of Thrones.