Spike was a lop-eared yellow Mastador (Labrador Retriever/Mastiff mix) and a dog actor best known for his performance as Old Yeller in the 1957 Disney film of the same name co-starring Tommy Kirk, Dorothy McGuire, Fess Parker, and Kevin Corcoran. Spike was rescued as a pup from a shelter in Van Nuys, California and became the pet and pupil of animal trainer Frank Weatherwax.