The dog is around 4 years old, and is a rescue Dutch shepherd.
"Osiris was found in a parking lot in Detroit as a tiny puppy on Thanksgiving weekend a few years ago, and I was asked to foster him for the weekend," Mickey Alice Kwapis, Osiris's mom, told The Dodo. "Needless to say, I fell in love and we decided to keep him forever."
Riff is around 1 year old, and the pair live in Chicago with their mom, other rat brother, and a cat. They do pretty much everything together, and make quite the crew.