Haku or Nigihayami Kohaku Nushi (饒速水琥珀主) is a Japanese character, who stars in the movie, Spirited Away created by Hayao Miyazaki.
Haku (ハク) is the Spirit of The Kohaku River. Haku works at the Spirit World's Bathhouse, run by a witch, Yubaba. He has two different apperances. First, a twelve year old boy with forest green hair and eyes and pale skin. His other apperance is an elegant dragon with pearl white scales and a turquoise mane. Haku's personality would revolve around loyalty and kindness. But when around his boss, Yubaba, Haku acts cold and like a professional individual. Haku, being a spirit, is gifted with magical powers such as shapeshifting into his dragon form flying and he has a magical influence.