 Other stories involved der Captain taking the Katzenjammers on treasure hunts or cargo voyages, sometimes aided by or competing with John Silver.Still other stories involved King Bongo enlisting the Katzenjammers to run errands or go on missions related to his kingdom; in both strips, by the mid-1930s, the family lived on Bongo's island—usually called Squee-Jee—and were readily at hand.Knerr's version of "The Katzenjammer Kids" introduced several major new characters in the 1930s.