 Immediately making Korky a friendlier looking figure, his covers for the weekly, and the Dandy Summer Specials and annuals, were some of the finest pieces of humour art DC Thomson were producing at that time.DC Thomson chose him to draw Desperate Dan for the specials and annuals following original artist Dudley Watkins' death in 1969.Grigg was also adept at illustrating "light adventure" stories for the publisher, with his most memorable sixties strips being The Red Wrecker and The Umbrella Men for The Dandy.