John Ennis (born May 6, 1964) is an American actor and comedian. Ennis was a cast member on Netflix's W/ Bob & David and on HBO's Mr. Show with Bob and David. Other roles include Walk Hard: The Dewey Cox Story, Zodiac, and the revival of Twin Peaks. John Ennis (born May 6, 1964) is an American actor and comedian. Ennis was a cast member on Netflix's W/ Bob & David and on HBO's Mr. Show with Bob and David. Other roles include Walk Hard: The Dewey Cox Story, Zodiac, and the revival of Twin Peaks.