 Caniff continued "Gilfeather" until the spring of 1933, when it was retired in favor of a generic comedy in a panel cartoon, "The Gay Thirties", which he produced until he left AP in the fall of 1934.Caniff left the strip in late 1934 to work on "Terry and the Pirates", which followed the same theme of boy hero with two-fisted adult mentor.Caniff's last credited strip ran December 1, 1934.