His Supreme Holiness, Messiah of Mexico, and by the Grace of God, Emperor of the World

Warning Spoilers through Straits of Hell. Also known as the "Dom Pope" to the Alliance and his other enemies, he is revered as the absolute ruler of the Holy Dominion.

The Dominion Pope rules in seclusion. In accordance with the theology of the Dominion, the Pope is kept constantly inebriated with drugs and alcohol to keep him connected to the mortal world. The current Pope is notable in that he can still think clearly through all of that and has some role in setting Dominion policy.

Seen in Storm Surge discussing attempt to contact the Grik, and the escape of Fred Reynolds.