T'Vyr
From Star Trek : Freedom's Wiki
T'Vyr is the Computer and Systems Specialist of the USS Rosenante Special Operations Squad Mike's Marauders. He has served with the squad since it's initial inception, under the command of Mike Rosenbauer.
He, like the other members of the Squad, was once a member of the Starfleet Rangers. He has served throughout the Federation Civil War resigning his commission at the rank of 1st Lieutenant to follow his commander into Starfleet.
Mirror universe[edit]
In the Mirror Universe T'Vyr is a silent and skilled assassin. He is highly decorated by the Imperial Union of Planets and is the veteran of many bloody conflicts. In the Mirror universe this team is called Mike's Maniacs.
T'Vyr was first seen in the USS Rosenante mission Into the Darkness, Go I