He provided the voice of Krebbs the koala in `` The Rescuers Down Under '' ( 1990 ) and , two years later , the Sultan in `` Aladdin '' ( 1992 ) .
He provided the voice of Krebbs in `` The Rescuers Down Under '' ( 1990 ) . Two years later , Seale voiced the Sultan in `` Aladdin '' .