(KQTV) -- The slogan "man's best friend" has been a staple saying about the relationship between dogs and humans forever, and one dog's job at Voices of Courage Child Advocacy Center is to be everyone's best friend. Named after tennis player Coco Gauff, Coco is a 2-year-old yellow lab that works at the Voices of Courage. Coco is a facility dog and works to comfort children who come into the center for therapy sessions and forensic interviews. Carrie Watkins, the director of operations at Voices of Courage, is Coco's handler and mom. Coco is a CHAMP, or "Canine Helpers Allow More Possibilities" dog from the CHAMP Assistance Dog Facility in St. Louis, Missouri.