From the back, the little dog sure looks a lot like Angie! Even though the shape of its snout, which you can only see in the bottom image, looks very different from Angie’s they could be related. Angie likes sleeping on people so I wouldn’t put it past her to try to sleep on a large dog.
I tried to find out more about this image but couldn’t. It’s been posted all over tumbler in the last 3 days. Clicking backwards through links it appears that the first postings were in Japan which means that this dog isn’t one of Angie’s relatives.