The son of singers in the Metropolitan Opera, Billy Gilbert began performing in vaudeville at age 12. He developed a drawn-out, explosive sneezing routine that became his trademark (he was the model for, and voice of, Sneezy in Snow White and the Seven Dwarfs (1937)). Gilbert's exquisite comic timing made him the perfect foil for such comedians as Stan Laurel and Oliver Hardy, and he was especially memorable as the dim-witted process server Pettibone in His Girl Friday (1940).