Dug

Dug is one of the protagonists of Disney/Pixar's 2009 film, Up. He is a dog who speaks English by way of a translator on his collar, invented by his former master, Charles Muntz. Early in the film, Dug, one of Muntz's canine minions, is searching for a large bird that Muntz has been trying to capture for decades. He runs into Carl Fredricksen, Russell, and Kevin (the bird he is searching for). However, immediately after meeting Carl Fredricksen, he begins to idolize him and sees him as his master. He winds up switching sides, assisting Carl, Russell, and Kevin.