Dou Niu

Dou Niu (斗牛) is a central antagonist and the final boss of Shenmue II on the Sega Dreamcast and Microsoft Xbox. He is the leader of a gang called the Yellow Heads that operates in Kowloon.

Although it is not said why, Dou Niu's gang has a rivalry with Wuying Ren's Heavens gang. Dou Niu also has connections with the Chi You Men and with Lan Di[. Dou Niu's current goal is to find Yuanda Zhu and bring him to Lan Di. In the end, Dou Niu is able to complete this task, but fails to hand Zhu over to Lan Di due to intervention from Ryo Hazuki and Ren.

There are several allusions to Dou Niu having an romantic relationship with a cross-dressing man named Yuan and this is speculated why he is an top executive of the gang.