And he loves it.
When I showed him a photo of Schatzi, a guy I know who grew up in the south said, "In South Carolina they'd call that a feist!" He explained that a feist is a catch-all for any kind of small hunting dog, usually of indiscriminate breed (except for the Treeing Feist, which is a recognized breed).
I was curious to know if that was the origin of the word feisty, so I looked it up on etymonline.com:
My wife and I are thinking about getting a dog. We've never had a dog before. We've always been cat people.
Let me correct that. We're done thinking about getting a dog. Now we're in the thinking about what kind of dog to get.