Because you like Doogie Howser in Doogie Howser, M.D.

Quirky teen Carly Shay is the director of her own life story. See them in iCarly.

Sweet, reserved, and intellectual, Cordelia Foxx would do anything for her students. See them in American Horror Story.

Beloved by all, Lucy is the most corageous Pevensie. See them in The Chronicles of Narnia.

Formerly a "sweater-set-wearing, mojito-drinking sorority girl", Paige Collins is now a successful sculptor with slight memory loss. See them in The Vow.

Sam Roth is sensitive, musically gifted, and scarred by his past. See them in Shiver .

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.

Kenzo Tenma would have never guessed that ten-year-old he saved would later become a deadly serial killer intent on "thanking" him. See them in Monster (TV Show).

Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.

Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.

Don't ask Rosa Diaz, a Brooklyn detective, to lighten up. Actually, to be safe, don't ask her to do anything! See them in Brooklyn Nine-Nine.

The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.

People think Karen Smith is a dumb blonde, but she disagrees and is proud she can predict the weather with her breasts. See them in Mean Girls.