'''Urk''' is the planet of origin for of [[Ghazghkull Thraka|Ghazghkull Mad Uruk Thraka]]. It was there he recieved his head wound and had the bionic implant made and put in by [[Mad Dok Grotsnick]]. After this he worked his way up the ranks, quickly coming to rule over all the Orks [[Ork]]s of the [[Goff]] tribe.