Yubaba’s apprentice and second in command at the Bathhouse, Haku is a River Spirit who has the ability to transform into a dragon at will. The name “Haku” may refer to “master” or “white” depending on the kanji used. He is the deuteragonist of the film and managed helped Chihiru from loosing herself in the Spirit World.
A very cute Haku by Rii-ki-Aruxkol! You might recognize this cosplayer, but I’m not about to tell you what her old cosplayer name was, since she requested me not to! Please do show her your support by visiting her Deviant Art account!
Source: Rii-ki-Aruxkol on Deviant Art