Peter G. Heydenreich started his comic career drawing for various humorous publications. He became one of the best Danish satirical cartoonists, and one of the most productive comic creators. After a promising debut in 1986, Heydenreich started the comic series 'Eddie' in the newspaper B.T. This series, drawn in a New Wave style, was about what happens to a hero when he gets old. This ironic attitude toward a hard-boiled detective can also be seen in his series 'Colt', which started in 1988. In that same year, he illustrated Morten Hesseldahl's hard-boiled thriller 'Panik', which was followed in 1990 by 'Domenica'.
