I just remembered that some friends of my husband have a dog named Neighbor Dog. He asked if they were taking care of him, thinking that it was a description, rather than a name. They said it was their dog. So, he asked if they got him from the neighbor, or borrowed him and never returned him, and they said that they adopted him from the SPCA, and that was his name! Sounds like the neighbors must have gotten tired of him! He's a fantastic dog, and never leaves the yard, so I guess he is happy now!