Mator is a small and young UFO.
Mator befriends Mater and teaches him how to fly. He is later captured by the military and taken to Parking Area 51, though is later rescued by Mater. Mrs. UFO finds Mator, Mater and Lightning McQueen and gives them a ride they thank Mrs. UFO and asks, "You think you can drop us off at home?" She immediately drops McQueen and Mater, and they fall through the roof of Mater's shed as she departs with Mator back to their home planet.