Mary Jo Catlett

Mary Jo Catlett is an American film, stage and television actress. She is notable for her role as housekeeper Pearl Gallagher on the television sitcom Diffrent Strokes, and currently for her role as Mrs. Puff in SpongeBob SquarePants, which she has held since the shows debut.

Catlett was born in Denver, Colorado, the daughter of Cornelia M. and Robert J. Catlett.

Source: Wikipedia