Artist.
Nickname: スマイル幽 or "s-m!le幽" (Smile Yuu)
The other names: S-m!le (reading is given as スマイル, Smile), "smile@幽" or "s-m!le＠幽"
Circle name: クズの鑑 (Kuzu no Kagami)
https://www.pixiv.net/users/501413
https://www.pixiv.net/stacc/smile435
https://twitter.com/smile435
https://twitter.com/intent/user?user_id=208874126
https://smile435.booth.pm
https://seiga.nicovideo.jp/user/illust/1065471
http://com.nicovideo.jp/community/co2233149
https://www.nicovideo.jp/user/1065471
https://nijie.info/members.php?id=89274
https://pawoo.net/@smilejunkie
https://pawoo.net/web/accounts/179345
https://smile435.fanbox.cc
https://sketch.pixiv.net/@smile435
http://www.stickam.jp/profile/smile813
http://www.dlsite.com/maniax/circle/profile/=/maker_id/RG16316.html
http://enty.jp/smile435
https://www.pixiv.net/stacc/smilejunkie
http://p.twipple.jp/user/smile435
http://twitpic.com/photos/smile435
