Terri Hardin Jackson is an American puppeteer, artist, and former Disney imagineer. Her first Hollywood job came during her college years in which she built the stillsuits for the film version of Dune and acted as a stunt double for Sean Young. A job on the Columbia Pictures blockbuster Ghostbusters followed in which she played both of the demon dogs at the "Temple of Zuul" and served as a puppeteer for both the Stay-Puft Marshmallow Man and the ghost librarian seen at the opening of the film.