Yin is a short female pink rabbit from originally protagonist of "Yin Yang Yo!".  and live together with his aggressive older twin brother "Yang" are trained by Master Yo. to dominate Woo Foo, Yin is smart, funny and docile half friendly, and intelligent, she is always trying to give her maximum attention to many things or both, they are arguing about something, She is considerate mainly with Master Yo, but due to her cantankerous personality, your relationships can be unstable,distracted.