Family Histories of Bikini Bottom is mainly an encyclopedia about families that resided in Bikini Bottom during its development. This book may contains nearly all of the families of Bikini Bottom.
- SquarePants - there is an entry about the SquarePants family. Its most notable individual, according to the book, was SpongeBuck SquarePants who returned Bikini Gulch back to the people from Dead Eye Plankton. In return for his heroism, there was statue erected from Dead Eye's gold. Today, his statue still stands in Bikini Bottom.