More mastiffs, because I felt like it. Did some facial expressions. Damn, you guys may start to see more Mouse fanart because I like drawing that face.

...that or I may need to make this into a character. Hmm. If I turn it into a character, I need to come up with a name...

Yes, that is our cat on the dog's back. Drawn in response to a comment by my other half about if we got one of those dogs it would end up being the cat's steed.