Fondacaro appeared in 1983's Return of the Jedi, the third Star Wars film, as an Ewok, the only one to have a death scene. In 1985, he voiced Creeper in Disney's The Black Cauldron. In 1986, he portrayed the invisible friend of a young Michael Gerber in the Disney Sunday Movie Fuzz Bucket, and also appeared in the fantasy film Troll. In 1987, he portrayed "Sir Nigel Pennyweight" in the cult horror film Ghoulies II. In the same year, he appeared as "Greaser Greg" in The Garbage Pail Kids Movie, a theatrical adaptation of the popular trading cards series, performing the character in a costume while voice actor Jim Cummings provided the voice, and he played the Devil's diminutive minion in The Yattering and Jack episode of Tales from the DarkSide. In 1988's Willow, he appeared alongside Warwick Davis, one of his Star Wars co-stars.