The protagonist is Po, a human child with an incurable naivety, romance and enthusiasm. His favorite thing is adventure and he dreams of becoming a great hero. As Po's brother and best friend, Jake is another protagonist of the animation. He is a magic dog with magical deformation and extension ability. Although he is disrespectful, he is mature and experienced in doing things. In Wowland, they fight monsters and adventure together, live together and grow up together.