Tress MacNeille (born June 20, 1951) is an American voice actress. She voices many minor characters on The Simpsons, as well as regulars such as Agnes Skinner and Lindsey Naegle. She has been in every episode of the show since 2001 and has been on the show since the first season in 1990. She is a very talented voice actress with other notable work being a regular on Futurama, Matt Groening other cartoon series. She also performed for the special live show The Simpsons Take the Bowl.