haseko
Artist.
Suimy nickname: 墨田 (Sumida)
Twitter nickname: からすみ (Karasumi)
Pixiv nickname: はせこ (Haseko)
See also
* Tumblr: http://haseko-ke-chan.tumblr.com/
* Suimy account: http://suimy.net/user/sumida/content
* Pixiv account: http://www.pixiv.net/member.php?id=780737
* Ustream account: http://www.ustream.tv/user/sumida_chan
* Old ustream account: http://www.ustream.tv/user/ke-chan-haseko
* Stickam account: http://www.stickam.jp/profile/sumidachan
* Twitter account: http://twitter.com/karasumi_dt
* Twitpic account: http://twitpic.com/photos/karasumi_dt
* Old twitpic account: http://twitpic.com/photos/ketchup_chan
* Second tumblr (deleted): http://haseko-2nd.tumblr.com/