Artist. Formerly tagged as hakone_(ere_siaru) or halcon_matsumoto.
Nickname: はるこん (Harukon, the artist uses this spelling: "Halcon") (the name came from Harkonnen II in Hellsing)
Old names: ハルコン松本 (Halcon Matsumoto or Harukon Matsumoto), はこね (Hakone) or めがとんおーはるこん
Circle name: ほっけばいん!