Ghouls

Ghouls are undead creatures whose corpses were infected with the vampiric parasite. They are soulless creatures and possess only a beastlike intelligence.

Identifiers
"That was no zombie. Zombies do not run."

A ghoul is often seen wearing rags and without any modicum of cleanliness. What separates them most from other undead creatures are their fangs, which are always protruding.