Because you like Izzie Stevens in Grey's Anatomy

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

A short-tempered guy, Bowser is determined to wreak havoc on the Mushroom Kingdom. See them in Super Mario Bros..

Eddie Brock is a big-hearted investigative journalist who is going through the world's weirdest identity crisis. See them in Venom.

For Scout Finch, growing up means learning the world is a more complicated place than you once thought. See them in To Kill a Mockingbird.

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

It doesn't matter how noble or brave he is. Jon Snow is a bastard, and people don't let him forget it. See them in Game of Thrones.

If you died and came back to life, and then died more times and came back, you might stop battling evil mutants. Not Jean Grey. See them in X-Men Series.

Accessing more than 10 percent of your brain can do strange things to anyone, and Lucy is Exhibit A. See them in Lucy.

Most of the world has been wiped out from The Beast. And when The Beast comes, Cole MacGrath will be ready. See them in inFAMOUS.

Always headed towards adventure, Goku is frequently with a band of loyal companions at his side. See them in Dragon Ball.

Mystique is a shape-shifting mutant who, after too many disappointments, does not want to co-exist with humans. See them in X-Men Series.

A malevolent dark wizard, Voldemort is so fearsome that he's known primarily as "He Who Must Not Be Named." See them in Harry Potter Series.