She has black hair and is dressed in a purple matchbox dress with matching sleeveless pantalettes with purple high heels and wears a pearl necklace. She is an orange sea sponge with light brown pores and light blue eyes.
She married Harold SquarePants and changed her name to Margaret SquarePants.
She had one child, named SpongeBob SquarePants.
She once told SpongeBob to never run with a broom.
She always told SpongeBob not to look for trouble.
She now lives only with her husband since SpongeBob moved out.
Role in series
"Home Sweet Pineapple"
Her and her husband come to pick up SpongeBob after nematodes ate his pineapple house. In this episode, when SpongeBob is in his parents' boatmobile, he says "Goodbye Bikini Bottom!," which indicates that his parents do not live in Bikini Bottom.