Umm. So like, Jellyfish.
There is a reason:
We do a classroom themes in my school and the teachers decided on Underwater Creatures. I chose Jellyfish because calling 'Jellyfish!!' sounds like good fun. I couldn't find a good set of jellyfish printables and then I was like DERP can draw. Lol. Can do commissions for everyone except myself.
Anyways, it took me less than half an hour to do these fellows, super simple stuff, please feel free to download and fool around with them! As long as you're not selling them as prints and/or putting them on stuff and selling them as prints (i.e., don't try and make a profit off of them) do whatever you like. And please show me if you do!