Al Capp veterans returning from the war. Capp was also involved with the Sister Kenny Foundation, which pioneered new treatments for polio in the 1940s. Serving in his capacity as honorary chairman, Capp made public appearances on its behalf for years, contributed free artwork for its annual fund-raising appeals, and entertained crippled and paraplegic children in children's hospitals with inspirational pep talks, humorous stories and sketches. In 1940, an RKO movie adaptation starred Granville Owen (later known as Jeff York) as Li'l Abner, with Buster Keaton taking the role of Lonesome Polecat, and featuring a title song with lyrics by Milton Berle.
The Potts introduced in November 1920, and with her came the marital disputes and slanging matches, which were to characterise the strip under Cross. In terms of drinking,arguing, swearing and displays of bad temper, "You & Me" remains unique in Australian comic book history and pre-dated "Andy Capp" by almost 40 years. Under Russell, the editors insisted that the strip become "more genteel," so he introduced new characters: a daughter, Ann; a son-in-law, Herb; grandchildren, Mike and Bunny; and Uncle Dick, a good-natured scrounger. With Uncle Dick (Mrs. Potts' uncle), Russell felt he could "sneak" into the strip the less attractive elements