German Shepherd
The German Shepherd was a breed of dog. Sammy Star owned two German Shepherds, Brandy and Lady, who he used to guard his magic trip props and Weeping Angel. (PROSE: Magic of the Angels)
Professor Frederick Marius had a German Shepherd called Kelso. He couldn't take Kelso to his new workplace in space, so he created K9 and left Kelso with Grace. (PROSE: One Man and His Dog)
One German Shepherd working as a police dog barked at the Ninth Doctor and Rose Tyler in March 2006. (TV: Aliens of London)
According to the Colchester Evening News, in 2011, a German Shepherd helped a group of archaeologists who were investigating the sites around Colchester Castle. It helped to sniff out some long-lost Norman treasure in the wooded grounds. (TV: Closing Time)