Grandma BubbleBottom
Physical appearance
Gender: Female
Classification: Sponge
Children: Margaret SquarePants (daughter)
Parents: SpongeBob's Great Grandmother (possible mother)
Grandparents: SpongeBob's Great Great Grandmother (possible grandmother)
Grandchildren: SpongeBob SquarePants
Larry (possibly)
Other relatives: Harold SquarePants (son-in-law)
Series information
First appearance: "A Pal for Gary" or "SpongeBob's Last Stand" (possibly mentioned)
List of characters

Grandma BubbleBottom[1] is SpongeBob's maternal grandmother. She may have been mentioned in "A Pal for Gary" and/or "SpongeBob's Last Stand."


Grandma BubbleBottom may be known for making meatballs.


She may have been born to SpongeBob's Great Grandmother.

At some point, she married Mr. BubbleBottom.

At some point, Mr. and Mrs. BubbleBottom had Margaret BubbleBottom. They may have also had another child.

Some point after July 14, 1986, she may have given her grandson, SpongeBob SquarePants, an unlicensed sitar.


"A Pal for Gary"

Grandma BubbleBottom may have been mentioned by SpongeBob when he says, "Mmmmm. You're making meatballs, Grandma?"

"SpongeBob's Last Stand"

While being arrested for playing an unlicensed sitar, SpongeBob mentions how his grandma gave him the sitar without a license. He may have been referring to Grandma BubbleBottom.

See also


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