Jack Dunkley was born in London and educated at the Sir Hugh Middleton Secondary School. He started out working in the film industry, but eventually turned to cartooning in 1932. He was sports cartoonist for the Daily Mirror, and made a newspaper strip based on radio-comedy 'The Larks' from 1957.
Other strips by Dunkley were 'Patsy' and the gardening strip 'Mr Digwell'. Dunkley also contributed to the Radio Times, Daily Sketch, News Chronicle and Daily Express.