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

Tracy Turnblad's got rhythm, and she's determined to share her dance moves with the world. See them in Hairspray.

Vivian Ward is a no-nonsense working girl with fairy-tale dreams. See them in Pretty Woman.

The only thing standing between Rocky Balboa and glory is the person facing him in the boxing ring. See them in Rocky Series.

A literal fallen star, Yvaine is temperamental, sarcastic, and a bit on edge. See them in Stardust.

Holden Caulfield is convinced that the whole adult world is full of phonies. See them in The Catcher in the Rye.

Daisy Buchanan is beautiful and rich, and seems to have it all. But beneath the glitter and the glam, things are more complicated for her. See them in The Great Gatsby.

Years of being a social outcast have taken a toll, but Elphaba is willing to be wicked if it means she can do good. See them in Wicked .

America Singer is a feisty, fiercely independent musician who places little value on the restrictive rules of her society. See them in The Selection .

The Little Prince is a childlike wonder personified in a tiny package. See them in The Little Prince.

While Alan Garner is loyal to his new friends, his efforts to help them often do more harm than good. See them in The Hangover.

It is a truth universally acknowledged that Elizabeth Bennet doesn't suffer fools or prideful men. See them in Pride & Prejudice.

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.