Estelle Harris, born as Estelle Nussbaum, (born April 4, 1928 in Manhattan, New York) is a comedian, actress, voice actress, and television actress. She is best known for her role as Estelle Costanza in "Seinfeld". To younger audiences she is known for her role as Mrs. Potato Head in the "Toy Story" franchise. She is also known as Muriel on "The Suite Life of Zach and Cody".