The fact that it is a formless mass and it wears a hat recalls the classic Dragon Questghost, but this creature is made entirely, not of ectoplasm, but of cheese.
Infamous fondue filching fiends who are hell-bent on devouring as much dairy as they can. Inveterate dine and dashers, no matter how much provolone they pack away, they never seem to get a stitch when cheesing it from the scene of the crime