Artist, illustrator.

Japanese name: 大出 長介 (O-ide Chosuke or Ooide Chousuke)
Pixiv account: ヘルメットが直せないリコ二等兵
Circle & site name: ヘルメットが直せません (Helmet ga Naosemasen, aka. ”I Can't Repair The M3 Tactical Helmet, Sir!”)

See also

• Blog: http://helmet.hacca.jp/blog/
• Pixiv account: http://www.pixiv.net/member.php?id=1269865
• Stickam account: http://www.stickam.jp/profile/oide
• Twitter account: http://twitter.com/o_ide
• Twitpic account: http://twitpic.com/photos/o_ide
• Yfrog images: http://twitter.yfrog.com/user/o_ide/photos
• Old home page (dead): http://oide.spur.cx/