You may be looking for:
Mitchell is a terran marine corporal in B Company of the Annihilators. Circa mid 2500 he was the newest recruit to the Division, though was quickly inducted into the Company's recurring arm wrestling contests with D Company.
Mitchell was part of a mission to retrieve a Class-A Target for the Ghost Program, he and his unit being dispatched to the southwestern district of Tarsonis City to retrieve her, alongside wrangler Malcolm Kelerchian. Due to the plan being accelerated via orders from General Ledbetter, the Division stormed the headquarters of crime lord Fagin, in which the target was held. Mitchell led the charge of B Company into the building, killing anyone who got in his way (and likely even those who didn't).
The mission was a success, although Mitchell soon had to deal with the zerg that had invaded the planet. He likely survived, only to become part of the Dominion Marine Corps in the aftermath of the fall of the Confederacy.