This is only my second piece of pixel art, so I know there are issues. I've spent time over the last three days making it and learned that pixel-ing like a pro will take a lot more practice.
In the time being I present to you the Bubble Shuttle!
The guy is based off my other pixel submission, both the base and palette which are in turn based off a submission by Omegavolt, link is under the description of my other pixel.
I count 19 colors, if you include the white (transparency).