Mona M. Ianotti (born August 31, 1947) is an American voice actress. She is often cast in the roles of young male characters. Her roles have included parts in not only Japanese anime, but also in American cartoons as well. Mona Marshall has recently lent her voice to the talking bear Koby the Study Buddy. Her most notable roles are that of playing Sheila Broflovski, Linda Stotch, and additional voices on the popular television show South Park as well as Kite, the main protagonist of the 2002 video game series .hack for PlayStation 2. She also provided the English voice for the famous 1971 Mexican character El Chavo in the animated series.