What's Spongebob's nest called?

According to Spongebob, Spongebob's pet Gary the Snail is a very special snail. He can't talk, but he can only bark like a cat. However, his IQ is very high. He has repeatedly sabotaged the rogue's plan to steal the secret recipe, and he can wear his own shoes and teach Spongebob many ways to tie his shoelaces.

Spongebob is an American comedy animation originally created by stephen hillenburg, directed by Sherman Cohen, Walter Doukhi, Sam Henderson, Paul Tibbit and Walter Donne, and voiced by tom kenny, bill fagerbakke and Roger Bumpass. July 1999 was broadcast in Nickelodeon.