They first wanted to call him spongeboy but that name was already taken.
does not have a confirmed last name
Sponge Bob was born in 1986 when the episode "sleepy time" was first shown on American TV channel but the first series episode came out in 1999.
spongebobs brother
NAME: Kaliee LAST NAME: Mckenzie
her last name is song
her name is Lowis SquarePants(:0 or mrs.SQUAREPANTS
Harold Squarepants
Margret Bubblebottom SquarePants is a sea-sponge .
His name is Larry the Lobster he is Spongebobs lifegaurd friend
spongebobs cuzin
Harold Squarepants
Harold and Clair SquarePants .
Well if your looking for the answer, you probably dont know ANYTHING about spongebob because theres the easiest answer in the world, and if you dont know you are probably [*ahem*] not very spongebob fan-type. So heres the answer First name: Spongebob Last Name: SquarePants [Middle name not required] Okay bye !
Harold and Mrs. SquarePants
Margaret SquarePants (nee Bubblebottom) .
Squarepants.
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.