Because you like William Adama 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.

Sydney Novak claims she’s “not special,” but her self-reportedly average life changes quickly once she begins to develop powers she can’t control. See them in I Am Not Okay With This.

Claire Standish is a popular, perfect princess who's deeper than she seems. See them in The Breakfast Club.

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

Good fashion? Check. Snarky quips? Check. Supernatural evil-fighting powers? Also check. See them in Buffy the Vampire Slayer.

Marge Gunderson embodies the very best of the American Midwest. She's kind, friendly, and fiercely honest. See them in Fargo.

Roger Kint is a nervous, weak, ham-handed criminal. We think. See them in The Usual Suspects.

If this slick ad man doesn't like the conversation, he changes it—while drinking and smoking. See them in Mad Men.

The irrepressible Lucy Ricardo has never met a challenge she couldn't scheme her way into or out of. See them in I Love Lucy.

Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.

Although Morrigan knows every kind of magic there is, friendship is an untested area for her. See them in Dragon Age Series.

Leonard "Bones" McCoy is passionate, moral, and ready to stitch you back together. See them in Star Trek.