Looks cool for sure, but I'm not really a big fan on projects that don't have original art. These are just reskins of Boo from Super Mario as far as I can see. Still, they're cool as hell reskins though! I joined the Discord server so you can get presale access but I'm not jumping on this personally.
https://mario.fandom.com/wiki/Boo
Currently sitting it out for the Regulars that's launching in 11 days. I think those are really cool. I even found one in the previews that looks like me:
More in their Discord if you wanna check it out: https://discord.gg/BtMgYPxk