Jill Talley (born December 19, 1962) is an American actress. She is known for her work as a cast member of Mr. Show, voicing Karen on Sponge…Jill Talley (born December 19, 1962) is an American actress. She is known for her work as a cast member of Mr. Show, voicing Karen on SpongeBob SquarePants, Sarah Dubois and various other characters on Adult Swim's The Boondocks, Nina, Gretchen and Ms. Mucus on Camp Lazlo, Roller Brawl on Skylanders Academy, and Rita Loud on The Loud House. She often collaborates with her husband and fellow actor Tom Kenny.