Donald Duck (comic strip) fact that Bolivar rarely listens to his owner. Taliaferro reportedly drew inspiration from his own pet dog, which was a Scottish Terrier. Gus Goose, the "lazy and gluttonous" cousin of Donald, was introduced on May 9, 1938. On 4 November 1940, Taliaferro and Karp introduced a comic strip version of Daisy Duck, as Donald's new neighbour and love interest. The character had been created by Carl Barks for the short film "Mr. Duck Steps Out" (1940). Grandma Duck, Donald's grandmother, was introduced on September 27, 1943. Taliaferro based the character on his mother-in-law and her old-fashioned ways. Taliaferro's version of
The Oregon Duck logo. Relying on the photo as evidence of Disney's wishes, in 1973, both parties signed a formal agreement granting the university the right to use Donald's likeness as a symbol for (and restricted to) Oregon sports. The agreement gave Disney control over where the mascot could perform and ensured that the performer inside the costume would "properly represent the Donald Duck character." In 2010, Disney and the university reached an agreement that removed the costumed Oregon Duck mascot from its association with the Donald trademark, and allowed The Duck to make more public appearances, such as at college mascot competitions.