Hubert Gagnon is an actor in the Canadian province of Quebec. He is best known as the voice of Homer Simpson in the Quebec version of The Simpsons, the voice of Mel Gibson in many movies, and also the character Picabo on the québécois TV show Les Oraliens. He also dubbed the character Vernon Dursley in the famous Harry Potter films.[1] He was also the voice of Optimus Prime in the Quebec dubbing of the original Transformers cartoon, but for the 2007 film, he was replaced by Guy Nadon, who had coincidentally portrayed Sideshow Bob alongside Gagnon in the québécois dubbed version of The Simpsons.
As of 2009, Gagnon lives in Le Plateau-Mont-Royal area of Montreal.