Distributed by the McNaught Syndicate, cartoonist Lank Leonard's Mickey Finn debuted as a daily strip on Monday, April 6, 1936. The Sunday strip, which eventually focused on the supporting character of Uncle Phil, began on May 17 of that same year. Leonard was assisted by Tony DiPreta (from 1945–50) and by Mart Bailey from 1950 in New York. In 1952, Bailey moved to Miami to help Leonard with the strip until July 1959. After Leonard retired in 1968, Morris Weiss continued the strip, though under Leonard's byline.