The murky eyes and the teeth filled with chunks of old flesh. Zombies are known to be resurrected from the grave, but modern versions of these creatures are depicted as infected by a disease of some sort. The cause of the creation of zombies are what makes their effects of aggression and savagery.
As they drool, moan, and stumble towards their prey, we can only hope their next seconds are cut short by a long range hunter. Nobody would want to be near a pack of these things or they'd be surrounded and devoured. This is what many fear about the zombie apocalypse.
