Donald Duck in comics birth. According to Carl Barks, Donald's parents are Hortense McDuck and Quackmore Duck. Donald’s sister is named Della Duck, but neither she nor Donald's parents appear in the cartoons or comics except for special cases, like "The Life and Times of Scrooge McDuck". According to Rosa, Donald and Della are twins. Taliaferro introduced Donald's car, on July 1, 1938. It is recognizable by its license plate number "313". Though Donald briefly drove other cars both in Taliaferro's strip and in later stories, this car would stay with Donald throughout the following decades. The car's constant breakdowns and need of repairs
Donald Duck and Karp created an even larger cast of characters for Donald's world. He got a new St. Bernard named Bolivar, and his family grew to include cousin Gus Goose and grandmother Elvira Coot. Donald's new rival girlfriends were Donna and Daisy Duck. Taliaferro also gave Donald his very own automobile, a 1934 Belchfire Runabout, in a 1938 story, which is often nicknamed by Donald's "313" car plate in the comic incarnation of Donald's world. In 1942, Western Publishing began creating original comic-book stories about Donald and other Disney characters. Bob Karp worked on the earliest of these, a story called