Mangaka.
Japanese name: 川津 健二朗 (Kawatsu Kenjirou)
Other name: らーかいらむ (Raakairamu or Raa Kairamu)

See also

• Wikipedia article(JP): http://ja.wikipedia.org/wiki/%E5%B7%9D%E6%B4%A5%E5%81%A5%E4%BA%8C%E6%9C%97