Artist.

Nickname: よん (Yon) or 4 (Yon)

h4.See also

* Twitter account: http://twitter.com/yotuya4444
* Twitpic account: http://twitpic.com/photos/yotuya4444
* Home page (dead): http://www.geocities.jp/yon_444444/
* Pixiv account (deleted): http://www.pixiv.net/member.php?id=3909

yon (haruo4444)