The term "UFO Robot" is conjectural. This article's real name is unknown and a non-canonical nickname or title is used instead. Please see the reasons for this title in the "Behind the scenes" section below (if there is one) and/or the relevant discussion on the talk page.
UFO Robots were minions of the Mothership. They resembled flying saucers with robotic legs and followed Giant Clank, attempting to electrocute him. The Mothership deployed four of these at a time.