Hey, so recently I've been getting into a lot of pixel art and I've been trying to make an improve myself on a pretty regular basis. Now usually the way I like to learn is just by drawing and making art of things I like, but sometimes my idea well runs dry for a bit or I run into a few dead ends.
Basically what I'm asking is for some constructive (or destructive, whatever you want) criticism for some of these pieces:
Like I said, anything that can be improved upon, I'd love to hear it. Thanks!