K9 (The Daft Dimension 489)

In a parallel universe, a version of K9 travelled in "The Mystery Time Machine" with alternate versions of the Doctor, Strax, Vastra, and Jenny Flint. (NOTVALID: The Daft Dimension 489)

Behind the scenes
This version of K9 and his fellow companions are parody versions of the characters from Scooby Doo, with K9 taking on the role of Scooby himself.