He is best known as the creator of the commercial home exercise regimen P90X .
Anthony Sawyer Horton Jr. ( born July 2 , 1958 ) , known professionally as Tony Horton , is an American personal trainer , author , and former actor .
Tony Horton is best known as the creator of the commercial home exercise regimen P90X .
Anthony Sawyer Horton Jr. ( born July 2 , 1958 ) , known professionally as Tony Horton , is an American personal trainer , author , and former actor .