Yin Yang Yo! two rabbit twins named Yin (Stephanie Morgenstern) and Yang (Scott McCord) that train under Master Yo, a grumpy old panda who is eventually revealed to be their biological father. They learn the sacred art of Woo Foo, a special type of martial arts that involves both might and magic. They must work together to save the world from evil villains and forces that want to destroy, corrupt, or take it over. However, through all these adventures, Yin and Yang still portray stereotypical siblings; belligerently antagonistic but still ultimately caring about each other and working together when needed. During the first
Yang Yin Yang, not willing to accept Ge's commission, pretended to be ill by holding cow blood in his mouth and then spitting it out. In 529, after Ge Rong had been defeated by the Northern Wei paramount general Erzhu Rong, Yang Yin returned to the Northern Wei capital Luoyang and was made a low level imperial official in the administration of Emperor Xiaozhuang. Later that year, when Yuan Hao the Prince of Beihai claimed imperial title under support from Liang Dynasty and captured Luoyang briefly, forcing Emperor Xiaozhuang to flee, Yang Yin convinced his cousin Yang Kan to remain loyal to