Artist. Formerly tagged as Charles de Chromal. (This old joke name is no longer used.)
Japanese name: 髑髏丸 (Dokuromaru)
The other name: 髑髏丸P (Dokuromaru-P)
Circle & site name: 髑髏株式公司 (Dokubo Kabushiki Koushi)
https://www.pixiv.net/users/6721
https://www.pixiv.net/stacc/dokuromaru
https://twitter.com/d_chrml
https://twitter.com/dokuromaru
https://twitter.com/intent/user?user_id=60342662
https://twitter.com/intent/user?user_id=552872810
https://dokuromaru.booth.pm
https://nijie.info/members.php?id=2508
https://pawoo.net/@dokuromaru
https://pawoo.net/web/accounts/469432
https://dokuromaru.fanbox.cc
https://sketch.pixiv.net/@dokuromaru
https://dokuromaru.tumblr.com
http://c10010921.circle.ms/oc/CircleProfile.aspx
http://www.doujinshi.org/browse/circle/10101/
http://www.melonbooks.com/index.php?main_page=maker_info&makers_id=MK0000005797
http://theinterviews.jp/dokuromaru
http://twitpic.com/photos/dokuromaru
http://yfrog.com/user/dokuromaru/photos
