Death, one of the Four Horsemen of the Apocalypse.
A type of serial killer who is employed as a caregiver and kills people under their care.
A shinigami.
The Grim Reaper.
An angel which attends to death, collecting souls at death, ending life at the appointed time of death.
Azrael.
Death, the Grim Reaper or angel of death; and one of the Four Horsemen of the Apocalypse.