Spock (mirror)

Vulcan first officer on the I.S.S. Enterprise in the mirror universe. He has orders to assassinate Kirk for disobeying the Terran Empire's orders to annihilate the Halkans, but is the only man with the decency to warn Kirk. Eventually he learns the landing party isn't his own team, but their counterparts from another universe and helps them return home. Before beaming out Kirk urged him to use his influence to try to bring civilization to the barbaric alternate universe. Spock answered simply, "Captain Kirk, I shall consider it." In Dark Mirror and the DS9 episodes we saw that Spock did more than "consider it" but unfortunately failed.

In the Mirror Universe Trilogy Spock relates to Kirk that he spent ten years following the transporter accident planning his rise to power. After overthrowing Emperor Tiberius he instituted reforms allowing each of the occupied worlds to select a representative on the newly formed Imperial Senate. The Senate met for the first time ten months later and elected Spock to a five-year term as the Empire's Commander-in-Chief because of the reforms he proposed. However, in Dark Mirror he was framed for treason and executed some twelve years after the transporter accident.