Dog-rat BFFs take the Internet by storm

Rat & Dog, Hamster & Snake - Unlikely Animal Best Friends!

The Internet shows us that friendships know no race, color or even species.

Case in point, a dog-rat duo that has generated a lot of buzz lately -- much like Cooper and Olivia in the above video.

They even have their own Instagram page which reads, "Osiris is a 3-year-old Dutch Shepherd mix. Riff Ratt is a 3-month-old fancy rat. They live in Chicago and they're BFFs."

Images and videos posted online show them having fun and generally enjoying each other's company.

The canine, found abandoned in a parking lot three years ago, is a therapy dog.

Their friendship is a treat to watch. Let's hope they don't let the new-found fame go to their heads.

Check out Osiris and Riff Ratt playing together below:

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