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
Yin Yang Yo! of "How I Met Your Mother" and "The Sarah Silverman Program" also participated on the writing of various episodes. Staff writers Evan Gore & Heather Lombard who penned "Futurama" 's episode "Fear of a Bot Planet" (1ACV05), lately dedicated their work for "", participated in the creative process of "Yin Yang Yo!" as well. Common Sense Media had a mixed review about the show, giving it a score of 3/5. Yin Yang Yo! Yin Yang Yo! is a flash animated television series created by Bob Boyle and produced by Jetix Animation Concepts. It is the third Jetix-original show. It first