Because you like Shaun in Shaun of the Dead
Bart Simpson is an aspiring juvenile delinquent who doesn't want you to have a cow, man! See them in The Simpsons.
Lucille Bluth doesn't understand the question, and she won't respond to it. And you're probably better off. See them in Arrested Development.
Po is a clumsy, friendly panda who likes to take it easy. But now he's expected to save the world? See them in Kung Fu Panda.
If Jack Torrance is one of his moods, you'll be the unlucky victim of the most bone-chilling, sinister yellers around. Bring your own axe. See them in The Shining.
Hotheaded and arrogant, Kaneda is nevertheless fiercely protective of the biker gang he leads. See them in Akira.
Barbara Kean is loving, selfless, and caring. But, she's less stable than she'd like to admit. See them in Gotham.
Puss In Boots is a suave, honorable ladies man/cat who's not above playing cute to get you to let down your guard. See them in Shrek 2.
For Dana Scully, sometimes looking for extreme possibilities makes you blind to the probable explanation right in front of you. See them in The X-Files.
Shrek is a nasty-on-the-surface ogre with a heart of gold and an earful of wax. See them in Shrek.
Keren Walker is a socialite looking to avoid work, keep a constant buzz, and be as snarky as possible. See them in Will & Grace.
Wolverine is a hot-blooded Canadian with an adamantium skeleton who's the best at what he does. See them in X-Men Series.
Nick Fury is an enigmatic, manipulative, and eye-patched director of the Avengers Initiative. See them in Marvel Cinematic Universe.