M-O

"Huh?"

 is a character released with, and is a part of the WALL•E character collection.

About
M-O (meaning Microbe Obliterator) is one of the two tritagonists of the 2008 Disney/Pixar animated feature film WALL•E.

A cleaning robot devised by the Buy N Large corporation, it exists within The Axiom ship keeping everything clean and tidy. Due to the dirty nature of WALL•E coming from Earth and the transport of the plant sample to the Axiom, the small robot gains annoyance in always cleaning up after him as the Earth garbage compactor travels the ship in pursuit of EVE.