Colony Drone 2121 is Pollination Technician 9's maternal grandfather also making him great-grandfather of Jill Smith,Johnny Smith,Lola Singles and Chloe Singles. He cannot be resurrected without the use of hacks.
Resurrection tip
This Sim has no character data and cannot be resurrected in-game. For more information, read this guide.
Trivia
Sometimes if you have a Sim get abducted and they give birth there is a bug in the game that makes the random alien parent a Colony Drone. Sometimes the Colony Drone parent is Colony Drone 2121.