N. Brock Winkless IV (October 12, 1959 – July 18, 2015) was an American puppeteer and visual effects technician. He was the puppeteer of Chucky in the 1988 horror film, Child's Play, and its first three sequels., as well as the puppeteer of the Crypt Keeper in several episodes of the HBO television series, Tales from the Crypt.