His Pottsy strip was syndicated by the Tribune-News Syndicate from 1955 until 1970. Irving's son, Clifford, was an art student in the mid-1940s at the High School of Music & Art, and he assisted his father by doing lettering on both Willie Doodle and Pottsy. Clifford Irving later wrote about the art world in his book Fake! The Story of Elmyr de Hory, the Greatest Art Forger of Our Time (1969).
The word "Pottsy" entered the language during the run of the strip. A police officer who prevented the loss of his badge by wearing a fake badge referred to the fake as a Pottsy. Later, these fake badges became known as "dupes".
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