He became called a fresh voice of Scooby-Doo in the Scooby-Doo direct-to-video motion-picture show processed between 1997 and 2001. From either 1999 to 2001, he also voiced Scooby's buddy Norville "Shaggy" Rogers. His role was succeeded by Frank Welker (the voice of Fred Jones) in 2002; at the equivalent period, Casey Kasem re-assumed the role of Shaggy. He as well has done Prof. Patrick cooper Pending in the punt Wacky Races