Dominic Santiago nicknamed Dom in the Gears of War series is the wingman to Marcus Fenix the main character. When playing the game co-op Dom is the 2nd players character. The Gears of War game series begins with Dom freeing his friend Marcus from prison where he had been left to die after being imprisoned for abandoning his post to rescue his father. Dom convinced his commanding officer Kim to allow Marcus to join the Delta Squad and Dom and Marcus went on to battle the locust throughout the Gears series. The second game in the series explores Dom's story a bit more as we see him seeking information about his missing wife Maria. Dom lost contact with Maria on Emergence Day and continued to search for her. Near the beginning of Gears 3 Dom almost looses his life during a locust fight but is saved by Marcus. They continue to fight together throughout the 3rd game, but as the series comes to a close Dom finds his wife's family tomb and after leaving his cog tag on the tombstone and Dom drives a truck into a tunnel blowing up a tanker truck and killing a massive amount of locust and lambent sacrificing his own life to save the rest of his squad.