From Wikipedia, the free encyclopedia. Verna Felton (July 20, 1890 – December 14, 1966) was an American character actress who was best-known for providing many female voices in numerous Disney animated films, as well as voicing Fred Flintstone's mother-in-law Pearl Slaghoople for Hanna-Barbera. Her film appearances during the 1940s included If I Had My Way (1940), Girls of the Big House (1945) and The Fuller Brush Man (1948). She was much in demand as a movie character actress during the early ...