Tekker

Tekker was an inhabitant of Karfel, and assistant to Renis. He became the new Maylin after the Borad killed his predecessor. He sent the Sixth Doctor to bring back the Borad's talisman. When he finally learned the Borad's true intentions for Karfel, he rebelled and the Borad killed him with a time acceleration beam, aging him to dust. (TV: Timelash)