Because you like Roger Sterling, Jr. in Mad Men

Sideshow Bob is a bitter ex-performer who was forced to do inhumane stunts for slapstick comedy. Now he's exacting revenge on his former boss, a clown. See them in The Simpsons.

In Dennis Reynolds' mind, only a psycho wouldn't have a six-part system to bring home women. And he should know. See them in It's Always Sunny in Philadelphia .

Liesel Meminger is trying to ease the suffering of those around her, German and Jew alike. See them in The Book Thief.

There's magic behind Tara Maclay's quiet façade. See them in Buffy the Vampire Slayer.

Romantic, impulsive, and captivated by the joys of life, Natasha Rostova is on the messy path of growing up. See them in War and Peace.

An all-business doc , Miranda Bailey dispenses tough love to the interns she trains. Emphasis on "tough." See them in Grey's Anatomy.

Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.

James Wilson is a compassionate doctor who willingly plays the sidekick. See them in House M.D..

Effie Trinket is utterly enamored with all things fashion, make-up, and style. See them in The Hunger Games .

Phoebe Caulfield is a wise-beyond-her-years 10-year-old with an empathetic spirit. See them in The Catcher in the Rye.

Cosette is an idealistic woman whose innocence stands in contrast to her harsh childhood. See them in Les Miserables.