Soap

you might walk past him not thinking much of it, it is a small black creature, white upside down triangle for a head, a simple little face that looks oddly friendly, he can change the number of limbs on its body whenever it wants, instead of using that power for anything dangerous, Soap spends time cleaning. Cleaning messes, places, even though it knows it eventually is going to get dirty again, still, That does not stop it. No matter how many times the dirt keeps coming back, it still cleans it, Doing the same job, over and over.