This is part of some kind of trend or meme, I've seen it multiple times on Pixiv.

I'm actually curious on what these little creature's name are

I can't find the name, but they're definitely based on one of zeroku77's chibi arts. Can't find which one tho
https://twitter.com/Zeroku777/status/1714621725630226488

NightjarInaJar said:

I can't find the name, but they're definitely based on one of zeroku77's chibi arts. Can't find which one tho
https://twitter.com/Zeroku777/status/1714621725630226488

You're correct, it shows up at 0:50 in this video
https://vxtwitter.com/Zeroku777/status/1755946971964346821