Nintendo is forcing Garry's mod to pull Nintendo-themed mods from gmod. This article features a twitter post by Garry Newman himself. Please do what you can to not let this happen.

https://www.tomshardware.com/video-games/pc-gaming/nintendo-forces-garrys-mod-to-delete-20-years-of-content-garry-confirms-nintendo-is-behind-steam-workshop-purge