Howdy!
I was thinking the other day, that it'd be neat if there were Undertale masks in the game. I could imagine any character, like Sans, Papyrus, Undyne, Asgore, but what caught my mind the most, was the Gaster Blaster.

pipann.deviantart.com
I guess that's all I can say >.> I don't know how to end this, so if you try making anything, I thank you in advance c: