Wang Shuang

Wang Shuang (rōmaji: Ō Sō) is one of Cao Zhen's vassals.

Historical Information
Wang Shuang initially served below Chang Diao. When him and Chang attacked Zhu Huan of Wu, Chang was killed and Wang was captured. Wang Shuang was eventually sent back to Wei, where he was placed under the command of Cao Zhen. He resisted Zhuge Liang's invasion, but was ultimately defeated.

Romance of the Three Kingdoms
Wang Shuang's prowess and martial abilities were highly exaggerated in the novel. He was said to be a giant of a man who wielded a sixty pound pole-arm. While serving as leader of the vanguard at Chen Cang, he defeated Zhang Ni in a duel. He then led his cavalry unit to pursue the Shu army, but was killed by Wei Yan in an ambush.