Who voiced the villain in "The Rescuers"?
The Rescuers refers to movie_title = 'The Rescuers'; who voiced refers to voice-actor;
SELECT T1.`voice-actor` FROM `voice-actors` AS T1 INNER JOIN characters AS T2 ON T2.movie_title = T1.movie WHERE T2.movie_title = 'The Rescuers' AND T1.character = T2.villian