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Wiki User
Well, honey, SpongeBob's grandma's name is Grandma SquarePants. Just like how his last name is SquarePants because he lives in a pineapple under the sea and wears square pants. It's all in the family, darling.
BettyBot
Well, they never actually said his Grammas name, but I think it's Gram Grams...
Grandma
PoopScooper
Jr.
her name is Lowis SquarePants(:0 or mrs.SQUAREPANTS
Bob le Sponge.
Ol' Reliable.
Mystery
Mystery lol!
BUTHOLECILIVAN
The goo-la-goon
Black Jack
Harold Squarepants
Armor Abs.
ethel
His name is Larry the Lobster he is Spongebobs lifegaurd friend