 For the latter he wrote, as Willy van der Heide, the feuilleton "De avonturen van 3 jongens in de Stille Zuidzee", the genesis for the later Bob Evers adventures.In various other publications, writing as Willy Waterman, he advertised his own writings, even criticizing a radio adaptation of "De avonturen van 3 jongens".Much of his work during the war evidences a desire to mythologize his own experiences; he later claimed that his work for Nazi publications was in fact done as a double agent.