Na 1928, iji gbakee site na ọnwụ nke Oswald the Lucky Rabbit, Disney bịara na echiche nke a òké agwa aha ya bụ Mortimer mgbe na a ụgbọ okporo ígwè na-aga California, na-eru elu a ole na ole dị mfe Eserese. The òké e mesịrị renamed Mickey òké (Disney nwunye, Lillian, na-enweghị mmasị ụda nke 'Mortimer òké') na starred na ọtụtụ Disney na-emepụta fim. Ub Iwerks nụchara anụcha Disney mbụ imewe nke Mickey òké. Disney mbụ ụda film Steamboat Willie, a katuunu starring Mickey, e wepụtara na November 18, 1928 site Pat Powers 'nkesa ụlọ ọrụ. Ọ bụ nke mbụ Mickey òké katuunu wepụtara, ma nke atọ na-kere, n'azụ Crazy Plotin' na The Gallopin'.
(1932<unk>1937)