As of 2007, he lives in Anaheim with his mother.
He said he has been swarmed by young teen girls ever since the show John from Cincinnati.
He says he enjoys skating swimming pools.
Greyson's grandfather introduced new moves to the sport of surfing, making Greyson the third generation in a long line of surfing legends.
He can be seen in the popular grom skating DVD Next Invasion, where he was 12 years old.
People he knows think he is handling the pressures of fame really well.
He says he's a regular kid who likes to skate and meet girls.
His father is Christian Fletcher, a professional and legendary surfer who brought new aerial moves to the sport of surfing.
He's three years older than character he plays on the show.
He named Marseilles, France as his favorite European skating venue.
He went with his father around Europe and Australia for sporting competitions.
He says he doesn't go anywhere without his skateboard.
He is the grandson of studio teacher Lois Carl, and nephew of actor-director Adam Carl.
John From Cincinnati was his first time in the entertainment industry, because of that he's often busy memorizing lines, and dealing with his hectic schedule.
He's been interviewed in ESPNMag, Happy Mag, Monster Children, Juice Magazine.
He's sponsored by VANS, RVCA Clothing, Anti-Hero Boards, SabreVision Sunglasses, Independent Trucks, Spitfire Wheels, Motto Griptape, and Cartel Lowrider Bikes.
Greyson has traveled through the United States and Hawaii showing his exceptional skills at skate clinics and free-skating demos.
Greyson excels at surfing, just like his grandfather, father, and uncle.
Greyson is an up and coming pro-skateboarder.
Greyson was chosen for the role of Shaun Yost on "John From Cincinnati" when writer David MIlch met him while researching for the show.