Because you like Malcolm Wilkerson in Malcolm in the Middle

Small in stature, Clara Oswald has a big appetite for adventure. See them in Doctor Who.

Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.

Stoic, cynical, and brilliant, Solid Snake was genetically engineered to be the perfect soldier. See them in Metal Gear Series.

Due to his eagerness to hang with his kids and general goofiness, Phil Dunphy comes across as the fourth child of his family. See them in Modern Family.

Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.

The only thing that can match Rose's looks are her hot temper and free spirit. See them in Titanic.

If you need her, Lisa Simpson will be in her room with her saxophone and a good book. See them in The Simpsons.

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.

Underneath her brassy, sarcastic exterior, Olive Penderghast is more sensitive than she pretends to be. See them in Easy A.

A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.

Foul mouthed and disturbingly comfortable with violence, Hit-Girl is a precocious assassin who doesn't need anyone's protection. See them in Kick-Ass.