What can be more amazing than having a best friend? Getting a chance to grow up with him! While some of us are still looking for the one true friend, these animals already found each other and are happy to share their lives together. In this list collected by Bored Panda you'll find even the most unlikely of friendships, such as best buddies Riff the pet rat and his dog guardian Osiris.

If you were thinking of getting your pet a buddy we hope that this list convinced you. If you have pictures of your two pets growing up together, don't hesitate to add them to the list!