After Master Yo's sudden disappearance, he guided Yin and Yang as a visage to recruit an army to battle Eradicus and his company and teach them the ways of Woo Foo. The army is comprised of several of Yin and Yang's friends, who are treated more as laborers than allies by Yin and Yang, who themselves were treated the exact same way by Yo.
So far, there are seven known members of the Woo Foo Army, both regular and recurring characters. Recurring characters are italicized. These members are: