What was the title character of a 90th birthday special participated in by Thelma Mae Harper made honorary mayor of?
Betty White Betty Marion White Ludden (known professionally as Betty White; born January 17, 1922) is an American actress and comedian, with the longest television career of a female entertainer. Regarded as a pioneer of television, she was one of the first women to have control both in front of and behind the camera; and is recognized as the first woman to produce a sitcom, which contributed to her receiving the honorary title "Mayor of Hollywood" in 1955.
Ethel Muggs Ethel Muggs is a fictional character by Archie Comics. She is a student of Riverdale High School, known to her schoolmates by the nickname Big Ethel, though this nickname has virtually fallen out of use since the 1990s. Her original design was the creation of cartoonist Samm Schwartz. She has been voiced by Jane Webb and Jazzmin Lausanne.