Because you like Carmen Lowell in The Sisterhood of the Traveling Pants

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

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

After years of being a nerdy loner, Seth Cohen can't wait to shower charm on his newfound friends. See them in The O.C..

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.

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

Greg Hirsch is new to the Roy family's cutthroat world of wealth and privilege. See them in Succession.

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.

Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.

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.

Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.

In the simplest terms, in the most convenient definitions, people consider Brian a nerd. But he's more than that. See them in The Breakfast Club.