I roto i te 1928, ki te ora i te ngaro o Oswald te Lucky Rabbit, ka haere mai Disney ki te whakaaro o te pūāhua kiore ingoa Mortimer i runga i te tereina i runga i te ara ki California, tuhi ake i te torutoru tuhi ohie. tīmata Walt Disney te kiore i muri i whakaingoatia Mickey Kiore (te wahine o Disney, Lillian, kihai i pai te tangi o 'Mortimer Kiore') me te whetū i roto i te maha kiriata Disney whakaputaina. Ub Iwerks whakahoutia hoahoa tuatahi Disney o Mickey Kiore. kiriata tangi tuatahi a Disney Steamboat Willie, he pakiwaituhi e whetū ana Mickey, i tukua i runga i Whiringa 18, 1928 i roto i te kamupene tohatoha Pat Powers o. Ko te kiriata tangi tuatahi Mickey Kiore i tukua, engari ko te tuatoru ki te kia hanga, i muri i te Crazy Plane me te Gallopin 'Gallop. ko te whakaaro o te kiore kiore he hit nui, a kihai i whakawhiwhia ki ona pūāhua taketake ki Walt Disney's Mickey Kiore tika i whakaingoatia i runga i Hakihea
Whiringa-ā-rangi 18, 1928