Jan Rabson (born June 14, 1954) is an American actor and voice actor. He performed voices in Cars, WALL•E, Monsters University, the Toy Story Toons episode Small Fry, the Cars Toons: Mater's Tall Tales episodes Tokyo Mater, Monster Truck Mater, Air Mater, and Time Travel Mater, the construction worker and the TV announcer in Up, and Sparks in Toy Story 3 and Toy Story 3: The Video Game. Prior to Pixar, voicing Boris in GeoTrax, voicing characters in the films such as Theodore Rex, Hercules, The Prince of Egypt, Ice Age: The Meltdown, Surf's Up, Happily N'Ever After, Horton Hears a Who!, and Cloudy with a Chance of Meatballs.