What role did Mae Questel play?

Mae Questel (September 13, 1908 – January 4, 1998) was an American actress and vocal artist best known for providing the voices for the animated characters Betty Boop and Olive Oyl. She began in vaudeville, and played occasional small roles in films and television later in her career, most notably the role of Aunt Bethany in 1989's National Lampoon's Christmas Vacation. Born as Mae Kwestel in the Bronx New York City to Simon and Freida Kwestel, she attended Morris High School and studied acting at the American Theatre Wing and with the Theatre Guild. From 1931 until 1939, Questel provided the voice of Betty Boop in more than 150 animated shorts, the longest run for any actress doing that voice. In 1988, she reprised the role in a cameo appearance in Who Framed Roger Rabbit. Questel died from complications related to Alzheimer's disease at the age of 89 in her Manhattan apartment. She was buried in West Babylon, New York's New Montefiore Cemetery.