刘武周
He also supported Liu Wuzhou, who gathered about 10,000 soldiers and declared himself commandery governor. When officials of the nearby Yanmen Commandery (roughly modern Xinzhou, Shanxi), Chen Xiaoyi (陳孝意) and Wang Zhibian (王智辯) attacked him, he struck back in conjunction with Eastern Tujue, killing Wang and forcing Chen to flee. He then captured Loufan Commandery (樓煩郡, part of modern Xinzhou) and pillaged Fenyang Palace (汾陽宮)—one of the numerous subsidiary palaces that Emperor Yang built around the empire—and took the ladies in waiting and gave them to khagan as a tribute; in return, khagan sent him horses. Liu then also captured Dingxiang Commandery (定襄郡, roughly modern Hohhot, Inner Mongolia). Shibi then created him "Dingyang Khagan"—i.e., "the Khagan who rules over Yang." Khagan also bestowed on Liu a great banner with a symbol of a wolf's head.