Gary the Snail

Gary the Snail is SpongeBob's pet House Snail who is voiced by Tom Kenny. Gary can only speak in a "meow" noise, while sea worms in the show commonly bark which indicates that snails are the ocean equivalent of cats and worms are dogs. In the show, there is only one cat: Mr. Whiskers. In some episodes Gary has been known to say something other than "meow" but this is rare. Gary is the seventh main character of the show.
In Opposite Day Gary attempted to do the opposite of his stereotypes by barking like a dog.
In The Secret Box, Gary responded to SpongeBob's question with "Meow-no". SpongeBob didn't think much of it and replied "Aaw, what do you know? You're A Snail!" SpongeBob didn't recognize it as special meaning this isn't the first time Gary spoke. In The Movie, The Citizens of Bikini Bottom were chanting "All Hail Plankton", while Gary chanted monotonously "Meow Plankton".
In many episodes, it has been indicated that Gary is very intelligent, the biggest hint of which was in S