He was a captain of Earth Corps, who retired at age 63 after the deaths of his men in a training accident. He lives in seclusion from everyone, while trying to live out his final days in peace and quiet. He returns after Earth Corps begins making trouble. Gawaine was Mary's captain when she was still lieutenant, a close friend of the Saotome family and good friend to SHADE before he was turned into a cyborg. He pilots the GP-N1 Guldin.