|First Appearance||Winter Solstice Part 1: The Spirit World|
Hei Bai, also known as the Black and White Spirit, is an ancient spirit of the forest spirit. He typically has the form of a panda who seems to be very peacful and friendly, though when angered he is capable to transform into a huge monsterous spirit.
 Behaviour and Personality
Hei Bai is a friendly and docile spirit when he is in the form of a Panda. Although, when he is angered or upset he changes forms into a massive ferocious monster, spirit. As the forest spirit, he comes across very protective over it and only brings harm to whoever intentionally harms his forest. Although, in the Winter Solstice Part 1 and 2 he thought a close by villagers destroyed his forest but it was actually the Fire Nation.