happy 2024! :)

So characters like Patrick and sandy both just have normal human names, Patrick is even called “Patrick the star”. Eugene krabs is named after the crab which is what he is. Here is where I’m confused. Spongebob squarepants is technically both, his species and name are sponge-robert, and then his last name just describes his square build. Squidward tentacles is in the same boat. My question is how the ♥♥♥♥ they named a ♥♥♥♥♥ squilliam fancyson