Betty Lou is a Muppet from the show Sesame Street. Sesame Street is an American educational Children's television series and a pioneer of the contemporary educational television standard combining She has blonde braided hair. She is friendly and has many dolls of many ethnicities but she has one favorite which she carries everywhere.
She is played by Lisa Buckley, and has also been performed by Frank Oz, Fran Brill, Marilyn Sokol and several others. Frank Oz (born May 25, 1944) is a British-born American Film director, Actor and Puppeteer. Frances Joan Brill (born September 30, 1946) is an American Actor, Voice actress and Puppeteer, best known for her roles