Jack the Raper (Notice spelling).
Reaper
The Reaper King and Queen are creatures in Ark: Aberration.

Name ideas for your Reaper from ARK players.
The pregnant woman
Ohhhhhhh yes daddy
Fak me
Dua Reaper
Big ting
XP stealer
Grave Digger monster jam
Demon
So cute
Xenomorph’s clone
Death king/Qeen
Ripley (Alien)
Necrozma
Danger
Killer Queen
Morgoth
Phantom
Skull smasher
Little Basturd