Zog (The Ultimate Adventure)

Zog, an alien slave, appeared in the stage play Doctor Who - The Ultimate Adventure, written by Terrance Dicks.

Zog was a slave who served at the Bar Galactica run by Madame Delilah. When the Doctor, Jason and Crystal arrived, they found Karl and his mercenaries there waiting for them. Crystal formed a friendship with Zog and the three took Zog with them when they fled the bar. Zog continued to travel with the Doctor, Jason and Crystal at the end of the play.

In the short story Face Value by Steve Lyons, published in Short Trips and Sidesteps, it is revealed that Zog is an Aldeberian tyrant, and unbeknownst to this travelling companions is planning to enslave the universe. Zog also appeared alongside assorted monsters in the 1993 charity special Dimensions in Time.