Ghoul

 is a walking corpse that has been cursed by an evil Shaman. Mostly, it preys on dead bodies, however it never gets satisfied with those and keeps attacking the living near the place where it lives. Similar to a Zombie, but are green and much stronger. Its retching is offensive in more ways than two.

Trivia

 * The term "ghoul" comes from Arabic folklore for a monster associated with graveyards and the consumption of flesh.