- You may be looking for the human of the same name.
Commander Stark was a Sontaran Commander. He and the rest of the Sontaran race were members of the Alliance, as were the Daleks, the Cybermen, the Autons, the Silurians and more of the Doctor's enemies. They planned to trap him in the Pandorica in 102, believing him the one causing cracks in the universe. (TV: The Pandorica Opens)