Board Thread:Roleplaying/@comment-35029943-20180318233733/@comment-34822941-20180322165448

(Undertale is not canon to Earthbound dude. And also, "Try Comparing the symbol". I did, and you know what the evidence points to? Drumroll please...

IT'S SOMETHING CALLED A COSTUME!

Sans literally said it himself. He and Sans made it for a costume party a few weeks before Frisk fell into the Underground.