Artist, vocaloid song producer. Known for Otomachi Una & Hatsune Miku duet songs.
Nickname: カルロス袴田 (Carlos Hakamada)
The other names: サイゼP (Saize-P) or 初音ミクとダイナミック自演ズ (Hatsune Miku to Dynamic Jiens)
https://www.pixiv.net/users/308988
https://www.pixiv.net/stacc/hakamad
https://twitter.com/hakamad
https://twitter.com/intent/user?user_id=189965430
https://hakamad.booth.pm
https://seiga.nicovideo.jp/manga/list?user_id=656109
https://seiga.nicovideo.jp/user/illust/656109
http://dic.nicovideo.jp/id/5461412
http://dic.nicovideo.jp/id/5468951
http://www.nicovideo.jp/mylist/38225889
https://www.nicovideo.jp/user/656109
https://hakamad.fanbox.cc
https://sketch.pixiv.net/@hakamad
https://sketch.pixiv.net/@murayamanankin
https://ask.fm/hakamad
http://www.youtube.com/user/musicfreakhakamad
http://peing.net/hakamad
https://www.pixiv.net/stacc/murayamanankin