James Peter Dilworth (April 15, 1959 - March 11, 2001) was an American animator and designer. He was the older brother of creator John R. Dilworth and Michelle Belly Dilworth. He designed King Ramses from the episode "King Ramses' Curse" and the Bugle Monster from the episode "Perfect." He was also heard in the episode "The House of Discontent" where he sang the "Happy Birthday" song on the radio. Following his death, the episode "The Sand Whale Strikes" was dedicated to his memory.