Trained at the Chouinard Art Institute-later the California Institute of the Arts-Alvarez entered animation after graduating in 1971, having already contributed as an assistant on the 1968 Beatles-inspired film Yellow Submarine. Over five decades he amassed credits on a wide range of television titles, from classic Hanna-Barbera fare such as Scooby-Doo, The Smurfs and The Jetsons to later hits inc…
