James T. Kirk (DMU)

In the dark mirror universe, James T. Kirk was a Terran officer in the Imperial Starfleet who commanded the ISS Enterprise in the 2260s. In 2270, Kirk became one of the first to crossover into the primary universe, an event which would serve as a crossroads for the future history of the dark mirror universe, and later became Emperor of the Terran Empire following the Terran-Klingon War in 2294, he was better known as "Emperor Tiberius," or "Tiberius the Great."