Character Gallery King Neptune is the king of the sea and first appears in "Neptune's Spatula". He also has a major role in The SpongeBob SquarePants Movie but is depicted older than he is in the main series. "Uhh...we got a problem here" This article is a stub. You can help the SpongeBob Galaxy Wiki by expanding it. Retrieved from "https://spongebobgalaxy.fandom.com/wiki/King_Neptune?oldid=14383" Categories: Stubs Characters Male characters Royalty Community content is available under CC-BY-SA unless otherwise noted.