Douglas David Stone (Born December 27, 1950 in Toronto, Ontario Canada) is a voice actor who is most notable for his representation of the Psycho Mantis from the popular video game Metal Gear Solid, as well as the voice of Matt Trakker and several other characters in M.A.S.K., and Dragonborg in Beetleborgs Metallix. He is also credited as David Orosco.