Alright just to help here!
Use Lots of emojis
and faces like uwu or 0w0 for characters
for body you can use 
or:large_blue_circle: for head or blocks
and links to guides:
https://forum.creative.gimkit.com/t/make-some-art-with-the-flooring-blocks-props-no-inappropriate-things/16362
[Custom images with pixel-art in Gimkit Creative! [🟩]](https://forum.creative.gimkit.com/t/custom-images-with-pix[https://forum.creative.gimkit.com/t/how-to-make-a-custom-image-difficulty-0-10/15170]
🇹 🇪 🇽 🇹 🇦 🇷 🇹 🇬 🇺 🇮 🇩 🇪 [0/10 Easy] ░▒▓█
And yeah