Gus Dirks assisted his brother with The Katzenjammer Kids during the first few years , until his suicide on June 10 , 1902 .
When Dirks submitted his sketches , Block dubbed them The Katzenjammer Kids , and the first strip appeared on December 12 , 1897 .
Dirks   assisted Dirks ' brother Katzenjammer Kids     Kids during the first few years , until his suicide on June 10 , 1902 .
When Dirks submitted his sketches , Block dubbed them The Katzenjammer Kids , and the first strip appeared on December 12 , 1897 .