Hi there! Thanks for joining the jam!
You're more than welcome to use screenshots from any of the YouTube videos to get some images of Metic if you'd like, or to put together your best effort of a 2D representation of Metic. 2D graphic / pixel art isn't my personal strong suit either, and I don't want anyone to feel like their abilities as a visual artist should prohibit them from making video games. "Aesthetic beauty" is intentionally NOT one of the judging categories, so even if you just go into Microsoft Paint and draw an orange triangle with a blue circle and a heart over it, that's perfectly valid for satisfying the requirement.
So please don't be discouraged! This is a game jam, and there's no need to be a perfectionist here. The spirit of the jam is to make a game and have fun doing it 🙂
All that being said, feel free to post screenshots of your Metic and ask for feedback in the Discord if character art is something you want to practice. If it isn't, then focus your game dev time on something else - there's no wrong answers!