The Museum Keeper was affiliated with The Maid and appeared in Return of the Evil Creator with The Golder Doctor.
The Maid claimed that he had gone missing as she served The Doctor tea and cake.
They eventually found the Museum Keeper when he emerged from a toilet several hours after his disappearance.
The Museum Keeper displayed a darker side, as he showed no hesitation in trying to persuade The Doctor to kill Davros, yelling the words "Kill him!".
He was played by Les West who also portrayed Mr Whoman.