Dug is the tertiary protagonist of the Pixar's animated feature film Up. A kind and loyal dog, capable of speaking human language through the use of his special collarbone, Dug was formely a canine minion of Charles F. Muntz and also a subordinate to Alpha, before he would abandon them and side with Carl Fredricksen and Russell, on purpose to stop Muntz's dark schemes, eventually gaining the latter's trust and approvement as companion. He also appears in the second Disney Heroes vs. Villains War in a role similar to the original film, though in an extra continuity role.

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