Kuma Blu
From Super-wiki
Kuma Blu, known as Kuma,is a Samoyed belonging to First A.D. Kevin Parks and Jill MacLauchlan.
Kuma appeared in the background of the opening scene of 9.02 Devil May Care when Sam and Dean are in the park. he was also in a scene in 9.07 Bad Boys - along with Aiden Glass (son of writer Adam Glass) which Kevin directed, but the scene was cut.
Kuma appeared in 10.13 Halt & Catch Fire and 11.19 The Chitters