 From 1936 he began to submit work to D.C. Thomson and his drawings appeared in the Fun Section of "The Sunday Post" and "The Dandy".He took over drawing Billy Bunter’s picture strip from C. H. Chapman in Amalgamated Press’s "Knockout" comic in 1939, drawing the popular character in a round-style.Minnitt drew a beaming and bouncy Bunter, which at first followed Chapman's style, then later branched into a style of his own, concentrating on slapstick humour.