WikiShrek

Joan Rivers (born: June 8th, 1933; died: September 4, 2014) was an American comediean, actress, producer, writer and television host. She voiced Joan Rivers (a caricature of herself) in Shrek 2, marking the first time a real person who voiced themselves in Shrek, followed by Simon Cowell. However, her part was re-dubbed by Kate Thornton in the UK release.