Dear Spongebob. . Dear Spongebob, you live in Bikini Bottom, and you' re super absorbent? Sincerely, you' re a tampon.. He is a sponge. !!DON'T YOU KNOW ANYTHING ABOUT THE STORYLINE??? GOD!!!!! Dear Spongebob you live in Bikini Bottom and you' re super absorbent? Sincerely a tampon He is sponge !!DON'T YOU KNOW ANYTHING ABOUT THE STORYLINE??? GOD!!!!!