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

Name ideas for your Reaper from ARK players.
Deathclaw (fallout)
Kitten
Impregnator
Harbinger
Hell bringer
Chest Burster
Mexican Chupacabra.
Hel, the norse goddess of death
Sovereign (mass effect reaper)
Thanos
LV223 specimen 1
Dug
Use Protection
Diablo
Balls
Night Hunter
Ectopic(or Ep, Ectopic Pregnancy)
Set god of destruction
Chernoble