Xavier IV

His Most Exalted Imperial Majesty, Great Leader of the Fatherland, Conqueror of Vulcan, Dominator of Tellar, Imperator of Qo'noS, Rex Andoria, Defender of the Supreme Faith, Emperor of the Third Terran Dominion Xavier IV was the emperor of the Third Terran Dominion in the late 24th century.

Background
The list of titles held by Xavier are a reference to the titles held by prime mirror universe Philippa Georgiou.