Together with Marten Toonder's Tom Poes and Hans G. Kresse's Eric de Noorman it is considered to be among the Big Three in the history of Dutch comics.
He owns a sailing ship nicknamed De Vrijheid (The Freedom) and an invention called "Historisch Oog" ("Historical Eye"), which allows him to travel back in time and have adventures in previous centuries involving pirates and explorers.
[1] In Het Geheim van de Bosplaat Rob discovers a secret bunker on the isle of Terschelling, where nazi's plan their evil schemes.
[7] On May 15, 2014 the entire collection of Kuhn's drawings, including Kapitein Rob, was donated to the archives of the city Groningen.
The play premiered in the presence of Dutch politician Annemarie Jorritsma, who was Minister of Transport, Public Works and Water Management at the time.
[9] In 2007 Simon de Waal directed a live-action film adaptation, Kapitein Rob en het Geheim van Professor Lupardi.
De Waal and Hans Pos wrote the story, while Screenpartners and Shooting Star Filmcompany produced the picture.