Dominic Jack "Dom" Irrera is an American stand-up comedian actor, and voice actor known for his distinctive raspy voice. He appeared as himself in the animated show Dr. Katz, Professional Therapist. He is also well known for voicing Ernie Potts on the Nickelodeon animated show Hey Arnold and Duke the Dog in Barnyard. He has also guest-starred in several TV sitcoms such as The Oprah Winfrey Show, The View, and The Drew Carey Show. For Disney, he voiced Achilles in the Hercules: The Animated Series. He also guest-starred as Ed the contractor in an episode of the ABC sitcom Home Improvement.