The ruler of [[New Canterlot]], and, by extension, the nation of [[New Equestria]]. Since the death of [[Bluestar]] the Brilliant, who never claimed the title of king, this ruler has been a king or queen. 

Monarchs of New Canterlot:
 * Bluestar the Brilliant, [[Wizard-Prince]], ruled 2080-2835
 * Queen [[Ephemeris]], ruled 2835-3027
 * King [[Day Star]], ruled 3027-3295
 * Queen [[Meridian]], ruled 3295-3335
 * Queen [[Nightfall]], ruled 3336-?