Notes:

From the tweet:
"Super Mario Odyssey contains unused data for a cut "mechanic NPC" that would have lived on the Odyssey and maintained the ship. Unfortunately, the only existing image of this NPC is this extremely blurry screenshot from Nintendo development materials."
The URL in the picture is tcrf.net/File:Super_Mario_Odyssey_ShineTowerNpc.png, and the image (cropped from another) is this:

(couldn't use the 'a' tag because it redirected to this website, likely because it had .png in the link and KnowYourMeme is an annoying site)