Terran emperor
The Terran emperor or empress was the ruler of the Terran Empire, a repressive interstellar government dominated by the s of  in the mirror universe. 

In January 2155,  intended to overthrow the existing emperor and take his place. However,  declared herself ruler of the empire after seizing control of the  and ordering 's unconditional surrender. () 

In the 2250s,  was the Terran emperor. Upon reading data files obtained by rebels fighting the Empire, Michael Burnham referred to this emperor as "faceless". ()

Titles
Titles of Philippa Georgiou as emperor included:

 Imperial Majesty
 Mother of the Fatherland
 Overlord of Vulcan
 Dominus of Qo'noS
 Regina Andor
 Augustus
 Iaponius
 Centarius

Terran emperors

Unnamed emperor (2155)
 (2155)
 (2250s)
Unnamed emperor (2267)

External link
 

cs:Terranský císař
mu:Emperor
Mirror universe
Titles