Hein Haakman is a Dutch illustrator, comic artist and storyboard artist, active since 1987. Between 1988 and 1994, he was one of the artists hired by VNU to draw short stories starring 'Sjors en Sjimmie' for Sjors & Sjimmie Stripblad under supervision of Robert van der Kroft, who went on the series 'Claire'. 'Koos Oudewater' is one of his own creations. He has worked for a variety of commercial clients, including Walmart, Procter & Gamble, Philips, Danone, Royal Dutch Shell, Heineken and many more. He also drew for the 'Koik 'rs an' section in the regional papers Dagblad voor West-Friesland and Noordhollands Dagblad with Tom van Wanrooy and Barend Lammes.