Who lives in a pineapple under the sea? Spongebob Squarepants!! In recent years, Spongebob has become a lovable part of America's cartoon family. This cute little sponge is not difficult to draw, and is mostly made up of simple shapes and lines. This video tutorial will take you through drawing Spongebob step by step. Once you master Spongebob, why not try and draw the rest of his underwater gang? Have fun!