Greygul

 was the leader of a tribe on Funderell. He forced Blujaw Skaldson to retire and made Linnis Skaldson become a soothsayer. He placed Romana II and Sartia in the chamber of their god and when the god died he went after them. (AUDIO: The Skin of the Sleek) He took the Fourth Doctor and imprisoned him the smokehouse. He wanted to know what had happened to the orb of Funderell. He was killed by Sartia. (AUDIO: The Thief Who Stole Time)