Zombies

Zombies or Ghouls is the universal antagonist of The Living Dead Franchise.

Information
Zombies are people who have died and reanimated due to various causes that doesn't involve brain trauma.

The undead are depicted at mindless beings with no abilities to such things as carry a weapon or speak while they don't speak, they are able to carry things and use weapons. In Night of the Living Dead, when Barbara is running away from a zombie. The zombie is able to pick up a brick and start smashing the car window where Barbara was hiding in.