Unlikely animal friendships are popping up all over the Internet, and Osiris and Riff Rat can happily be added to that list. Osiris is a 3-year-old Dutch Shepherd therapy dog and Riff Rat is a 3-month-old Fancy rat. Riff was rescued when he was just a baby and too young to be on his own. The duo’s humans hand-fed him with a syringe to keep him alive for the first few weeks of his life. The duo and their humans live together somewhere in Chicago and have become one big happy family.
Riff and Osiris are often caught giving each other little kisses nose-to-nose and it’s beyond adorable! You can also tell that there is a high level of trust amongst the two, because in some pictures, Riff Rat is actually seen inside Osiris’ mouth! Apparently, Riff likes to clean the inside of Osiris’ mouth, but don’t worry, their humans have no concerns about Osiris eating his little friend. As a therapy dog, Osiris has helped with the foster care of several animals and has been incredibly gentle with every one of them. You can follow their adventures on their Instagram account here: OsirisAndRiff and check out an awesome slideshow of some of their best below!

- Photo Credit: @osirisandriff on Instagram
- Photo Credit: @osirisandriff on Instagram
- Photo Credit: @osirisandriff on Instagram
- Photo Credit: @osirisandriff on Instagram
- Photo Credit: @osirisandriff on Instagram
- Photo Credit: @osirisandriff on Instagram