Mary Jo Pehl (born February 27 in Circle Pines, Minnesota) is a Cinematic Titanic writer and cast member. On Mystery Science Theater 3000, she played Magic Voice from 1992 to 1996 and Pearl Forrester from seasons six through ten, as well as serving as one of the show's writers. From season 7 through the end of the show's run, Pearl was the series' primary villain.