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The Dam Keeper is a 2014 American animated short film directed by Robert Kondo and Daisuke Tsutsumi. It tells the story of Pig, an introverted youth who lives in a windmill and keeps a dark fog from engulfing his town. Although socially rejected by his peers, he is befriended by the artistic Fox. Kondo and Tsutsumi began developing the film while working as art directors on Monsters University and produced it through a co-op program at Pixar. This is Tsutsumi's second short film, after 2011's Sketchtravel, and Kondo's first directorial effort.
— Wikipedia