Yep, the protagonist from Mysterious Dark Adam ~Etainoshirenai Kuro Adamu dancing to this song...Game Link (Made by me) (CURRENTLY ONLY IN ENGLISH AND ISN'T RELEASED YET.):
http://gamejolt.com/games/other/mysterious-dark-adam-etainoshirenai-kuro-adamu/42477/NOTE: Adam Dahlberg, himself, is a real person and the game is based off of a FAN-MADE story's prologue that has him somehow transforming into a 'darker' (In spirit/soul terms) version of his Minecraft skin... yes, he plays Minecraft... and he has a Youtube channel... if you know about it, yes, he's SkyDoesMi-necraft.