Grandma Squarepants

Grandma SquarePants is the paternal grandmother of SpongeBob SquarePants, Stanley SquarePants, and BlackJack SquarePants, and also the mother-in-law of Margaret SquarePants. She is also married to Grandpa SquarePants, and had SpongeBob's father Harold and his paternal uncles Sherm SquarePants and Blue SquarePants.

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