Masaya Nakahara

, also known by his stage names Violent Onsen Geisha and Hair Stylistics, is a Japanese musician, writer and actor. He was described by Allmusic as "one of those musical entities that defy categorization." He co-starred in Shinji Aoyama's 2005 film "My God, My God, Why Hast Thou Forsaken Me?" with Tadanobu Asano.