Marge Simpson voice is performed by Julie Kavner, who also does the voices of Marge's mother Jacqueline and her sisters Patty and Selma. Kavner had been part of the regular cast of "The Tracey Ullman Show". Voices were needed for the shorts, so the producers decided to ask Kavner and fellow cast member Dan Castellaneta to voice Marge and Homer rather than hire more actors. Part of Kavner's contract says that she will never have to promote "The Simpsons" on video and she rarely performs Marge's voice in public because she believes it "destroys the illusion. People feel these are real people."
Twin Sisters Lookout is now used as a radio repeater station. National Register of Historic Places listings in Larimer County, Colorado Twin Sisters Lookout The Twin Sisters Lookout, also known as the Twin Sisters Radio Tower and the Twin Sisters Shelter Cabin, was built by the U.S. Forest Service in 1914, the year before the establishment of Rocky Mountain National Park. The rustic stone structure was taken over by the National Park Service in 1925. The one-story building has an arched roof with a trap door to provide access when snow has drifted over the ground-level door. From 1914 to 1969 the shelter