The Great Deliverer is the main antagonist of the All Dogs Go to Heaven episode "Whacked to the Future". He is a 23rd century tyrant who rules San Francisco with an iron fist. His goal is to send absolutely every dog to obedience school. He is served by future, robotic counterparts of Carface Carruthers and Killer.
It is shown that he is a future counterpart of the mailman, whom Charlie barked at from his window with a voice projector. In the end, after this dream, Charlie makes amends with the mailman by giving him a package of his own.
It is unknown whom he was voiced by.