The twitter gallery is not complete, because I didn't pay 8 buck to see more tweets, but his pixiv and deviantart had enough drawings to be satisfied with this collection. Artist links:

https://x.com/Irritator_Fan
https://www.deviantart.com/irritator-fan
https://www.pixiv.net/en/users/89809566

Btw:irritator created a mod of monster girls for minecraft. If you have minecraft this mod is special for you.
https://irritator-fan.itch.io/