Clarence J. "Clancy" Brown III (born 5 January 1959) is an American actor and voice actor. He is known for his roles as Byron Hadley in "The Shawshank Redemption" and Career Sergeant Zim in "Starship Troopers". He is perhaps best known for his role as the Kurgan in the cult classic "Highlander". Brown also works extensively as a voice actor in animated TV series. He was the voice of Lex Luthor on "" and "Justice League"/"Justice League Unlimited". He was also the voice of Mr. Krabs on "SpongeBob SquarePants".