Verna Felton (July 20, 1890 – December 14, 1966) was an American character actress who was best known for providing many female voices in numerous Walt Disney Pictures animated films, as well as voicing Fred Flintstone's mother-in-law Pearl Slaghoople for Hanna-Barbera's The Flintstones.She also had roles on live-action films, however, she was most active in radio programs. She was known for her husky voice and no-nonsense attitude. Two of her most famous roles were as Mrs.