Because you like Bernadette Rostenkowski in The Big Bang Theory

It's impossible to say whether Winifred Burkle is cuter than she is smart, or vice versa. See them in Angel.

A blood-thirsty warrior on the battlefield, Ragnar Lothbrok is a dedicated family-man at home. See them in Vikings.

Andy Bernard is a preppy Cornell grad who's very likely to break into an acapella performance. See them in The Office.

In his heart, this student rebel is more of a lover than a fighter. See them in Les Miserables.

There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.

Calling Alicia Florrick a "good wife" is damning this smart, capable, thoughtful woman with too-faint praise. See them in The Good Wife.

Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.

Charlie is a Type A theater director dealing with something out of his control: a painful divorce. See them in Marriage Story.

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.

Lily Aldrin is a flaky but supportive kindergarten teacher and painter. See them in How I Met Your Mother.

Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.

Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.