who does the voice of patty and selma
Julie Kavner Julie Deborah Kavner (born September 7, 1950) is an American actress, voice actress, and comedian. She first attracted notice for her role as Valerie Harper's character's younger sister Brenda in the sitcom Rhoda for which she won a Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series. She is best known for her voice role as Marge Simpson on the animated television series The Simpsons. She also voices other characters for the show, including Jacqueline Bouvier, and Patty and Selma Bouvier.
Bill Fagerbakke William Mark "Bill" Fagerbakke (/ˈfeɪɡərˌbɑːki/) is an American actor and voice actor. He is best known for his long-running roles as Patrick Star in the animated series SpongeBob SquarePants and Michael "Dauber" Dybinski on the sitcom Coach. He also appeared in 12 episodes of the sitcom How I Met Your Mother as Marshall Eriksen's father Marvin.