Richard Steven Horvitz

Richard Steven Horvitz (born July 29, 1966) is an American voice actor. He voiced an eponymous alien in "Invader Zim", Billy in "The Grim Adventures of Billy &amp; Mandy", Jonny 2x4 in Ed, Edd n Eddy, Kaos in "Skylanders" and Daggett in "The Angry Beavers".