Hubert Gagnon (September 29th 1947 - June 7th 2020) was a Canadian voice actor from Québec who provided voices for the French Canadian version of Thomas and the Magic Railroad.
He was best known for voicing Homer Simpson in the Quebec version of The Simpsons, Optimus Prime in the original Transformers cartoon, Ralph Raccoon on The Raccoons, and Vernon Dursley in the Harry Potter film series.
He died at his home in Longueuil, Quebec, Canada at the age of 72 following a lengthy battle with cancer.