His other television credits include the chowder taster on Throwdown with Bobby Flay, airdate 09/02/09, and the voice of Dogbert on the short-run show Dilbert for UPN. He played a serial killer in the series Third Watch in episodes 5, "The Hunter, Hunted," and 6, "Greatest Detectives in the World" from season six. He played the role of Peter in the last three seasons of Everybody Loves Raymond and a role in a semi-autobiographical sitcom pilot for CBS, entitled You've Reached the Elliotts, playing a man who tries to balance a modest show Business career with his home life. As of 2009, Elliott has played the estranged father of How I Met Your Mother character Lily Aldrin, whose relationship has strengthened as the show has progressed. As well as multiple appearances on The King of Queens, Elliott made guest appearances on the Late Show, That '70s Show episode "2000 Light Years From Home", and According to Jim. Since February 3, 2011, Elliott has starred in the Adult Swim series Eagleheart, produced by Conan O'Brien's production company, Conaco.