From Wikipedia, the free encyclopedia. Clarence Charles "Ducky" Nash (7 December 1904 – 20 February 1985) was an American voice actor, best known for providing the voice of Donald Duck for the Walt Disney Studios. He was born in the rural community of Watonga, Oklahoma, and a street in that town is named in his honor. Description above from the Wikipedia article Clarence Nash, licensed under CC-BY-SA, full list of contributors on Wikipedia.