His video shows his grandmother and her dog, Gucci, through their daily moments together—gentle walks with the pup trotting along in a pink sweater; cuddles on the couch; and play. From left ...

He scared away the thugs and at the request of Gucci’s 15-year-old runaway owner, took the dog in for the night. Thus began a 16-year odyssey of devotion and perseverance.