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Most Ninja fans know that Roo Yori is nicknamed the K9 Ninja because of his love of dogs and work with rescues. Roo created the Wallace the Pit Bull Foundation in honor of the first dog that he and his wife rescued and they donate time and money to rescues around the country.
In October 2018, Roo posted a video of his rescue Johnny running their dog-friendly backyard Ninja course, and it went viral in 2019. Since first posting the video, more than 1.2 million people have watched Johnny jump, crawl, and even glide down the zip line, so we just had to share it again!