Jupiter was said to be a purebred rat terrier but obviously not. His foster mom thinks he is a jack or rat mixed with a spuds mckenzie dog. He is adorable and chunky and loves people. He talks a lot and serenades in the car. He can get jealous if other dogs get attention. Jupiter is 17 lbs of playfulness. He is fostered in Hollywood, FL. The vet thinks he is between 2-3 yrs old. www.ratbonertr.org