Darknight
Reaper
The Reaper King and Queen are creatures in Ark: Aberration.

Name ideas for your Reaper from ARK players.
Nightmares
the real slim shady
The perfect organism
Giga on Crack
Razor
Jack the ripper
Fluffy
Ankle Biter
Nameless King (Dark Souls)
Big Daddy, Reaper King
Ruiner Nergigante
Chance the reaper
My Ass Is Still Sore
Reapers bones from sea of thieves
Phobos or Deimos (greek Mythology)
Baby (Survivor Name)
Nova, after the primal fear boss.
Viper
Hell's Wrath