Undead describes beings that are deceased yet behave as if alive. Usually a trapped spirit or a corpse re-animated by supernatural forces; undead may be incorporeal like ghosts, or corporeal like vampires.
Banshee
Ghost
Ghoul
Often congregate or are drawn to mass graves.
Mummy
Vampire
See main article: Vampire
Vulkodlak
Wight
Zombie
See main article: Zombie