<prompt> Ronga mhinduro kumubvunzo uyu wakaoma kunzwisisa: Leo A. Harris aizivikanwawo nokuda kwechibvumirano chake chokubata maoko naWalt Disney icho chakabvumira Yunivhesiti yeOregon kushandisa mufananidzo wei womunhu upi wemifananidzo yakasikwa muna 1934 paWalt Disney Productions?  <response>: Donald Duck 