Zombie: Perfect Video Game Enemy

From Joystiq:

The net's full of debate about the perfect game protagonist (ninjas, pirates, or robots?) but too little real debate about what makes the perfect in-game enemy.

In comments on yesterday's post about upcoming Xbox 360 (Japan) zombie stomper Oneechanbara, Joystiq reader Gimbal posited that risen corpses may well be the ideal enemy: "Zombies, like Nazis, are the perfect enemy for video games." Zatso? What makes a perfect enemy anyway?

The perfect enemy is...