Board Thread:General Discussion/@comment-27855772-20160316194231/@comment-35313384-20180506051835

Looks like this is from Disbelief Papyrus from Papyrus' Genocide Route by FlamesatGames, and thats called PAPYRUS' Gaster Blaster, when Paps cloned the Gaster Blaster with Papyrus from Underswap, US!Papyrus was the one who did the orange eyes and the blasting, while Papyrus does the design.