Duck family (Disney) strip, Della writes to Donald that the boys had placed a firecracker under their father's chair as a prank and that their father had been sent to the hospital. This was the reason why the boys first showed up at Donald's house. Thereafter the father is generally assumed to have disappeared. In "The Richest Duck in the World", when Scrooge mentions that the few family members he had had disappeared, the boys respond "We know how "that" feels!" Donald's cousin Fethry Duck was created for the Disney Studio Program by Dick Kinney and Al Hubbard and was first used in
Donald Duck (Dutch comic book) Donald Duck (Dutch comic book) Donald Duck is a weekly comic book with Walt Disney characters published in the Netherlands. On 25 October 1952 the first edition was freely distributed with the women's weekly magazine "Margriet". It is published by Sanoma, and had a circulation of 285.000 copies in 2012. A 2014 study by Nationaal Onderzoek Multimedia of comic book reading among Dutch children ages 6–12 during the past year, placed "Donald Duck" (81%) as most read comic book, and "Donald Duck Extra" (44%) as second place, before Kidsweek (33%), Nickelodeon magazine (33%), Tina (25%) and National Geographic junior (33%).