Because you like Knuckles the Echidna in Sonic the Hedgehog

Andrea Sachs' boss is not happy unless everyone around her is panicked, nauseous or suicidal. See them in The Devil Wears Prada.

An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.

Lying is the most fun a girl like Alice can have without taking her clothes off. See them in Closer.

Whatever Sakura Haruno lacks in power, she makes up for in intelligence and bravery. See them in Naruto.

Not a great influence with her classmates, this 13-year-old "cool girl" likes to shoplift, chug alcohol, and snort crushed pills. See them in thirteen.

A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.

A level-headed show business icon despite his amphibian status, Kermit is the brains behind the success of the Muppets. See them in The Muppet Movie.

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.

Beware! Anton Chigurh carries a coin with him, which he forces his victims to flip to decide whether they will live or die. See them in No Country for Old Men.

What Troy Barnes lacks in common sense, he makes up for with heart. See them in Community.

Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.