Dedan-Skeleton

2019. 
(First) Papyrus's cosplaing Dedan from OFF game. 
Toby Fox (Undertale creator) was inspired (partly) by Dedan and created Papyrus, but then fully changed him. So Papyrus 2.0 is what we call classic Papyrus. 
The skeleton on the picture mimics Dedan's battle sprite.