'Matthew Lyn Lillard (born January 24, 1970) is an American actor, voice actor, director, and producer. He is known for portraying Chip Sutphin in "Serial Mom" (1994), Emmanuel "Cereal Killer" Goldstein in "Hackers" (1995), Stevo in "SLC Punk!" (1998), Tim LaFlour in "Senseless" (1998), Billy Brubaker in "Summer Catch" (2001), Jerry Conlaine in "Without a Paddle" (2004), Dez Howard in "The Groomsmen" (2006), Joey in "Home Run Showdown" (2012), Jack Rusoe in "Return to Nim's Island" (2013) and Shaggy Rogers in both "Scooby-Doo" (2002) and "" (2004). In animation, he has been the current voice of Shaggy since veteran actor Casey Kasem retired from the role.