Because you like Trudy Campbell in Mad Men

Sally Albright is high maintenance who she thinks she's low maintenance. But she's still worth it. See them in When Harry Met Sally....

Warm and caring, Kitty Forman acts like a mom towards all of her kids' friends. See them in That '70s Show.

Amy March blends her naturally artistic spirit with a sense of practicality. See them in Little Women.

Stubborn, impulsive, and fun-loving, Hallie Parker is not afraid to devise some schemes to bring her family together. See them in The Parent Trap.

Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.

If anyone can speak truth to power, it's Atticus Finch. With elequent monologues, he forces everyone to face hard truths. See them in To Kill a Mockingbird.

A suave proprietor of an upscale nightclub and gambling den, Rick Blaine is dealing with World War II and a broken heart. See them in Casablanca.

Quinn Fabray can become a monster when there is something she wants. See them in Glee.

Talking to a stranger on a train is the best decision Jesse Wallace ever made. See them in Before Sunrise.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

A champion of chivalry, Don Quixote is dutifully bringing good to the world—even when others think he's out of his mind. See them in Don Quixote.

A bloodsucker, Carlisle Cullen is actually more likely to give you a blood infusion. See them in Twilight.