 "Egg Cracker" was also the only Oswald cartoon to use three-strip Technicolor.Oswald's last cartoon appearance was a cameo in "The Woody Woodpecker Polka" (1951), also in three-strip Technicolor, which by then had become the norm in the cartoon industry.He also appeared in a 1952 theatrical commercial for the Electric Autolite Company, with his voice being provided by Dick Beals.