Mona Morticia Ianotti, simply and better known as Mona Marshall (born August 31, 1947) is an American voice actress, known for her work in a number of cartoons, anime, movies and video games. Her major credits include South Park, where she voices many of the female characters on the show; Fraggle Rock: The Animated Series, CBS Storybreak and Digimon. She has also appeared on stage in television shows such as Cheers and Who's the Boss?.