Robot dog

Robot dogs were robots which were fashioned in the shape of dogs. (TV: School Reunion)

Yappy was a toy robot dog available for sale at Sanderson & Grainger in Colchester in 2011. During the time that he worked there as a sales assistant, the Eleventh Doctor played with Yappy and showed it to Craig Owens. He commented that the robot dog was "not so much fun as [he] remember[ed]." (TV: Closing Time)