From Wikipedia, the free encyclopedia. Gerald Potterton (born March 8, 1931) is a British/Canadian director, producer and animator. He is best known for directing the cult classic Heavy Metal and his animation work on Yellow Submarine. Potterton has been nominated three times for an Academy Award for Best Animated Short Film: as director on the National Film Board of Canada animated shorts My Financial Career and Christmas Cracker, and as producer for The Selfish Giant. Description above from the Wikipedia article Gerald Potterton, licensed under CC-BY-SA, full list of contributors on Wikipedia.