Gakupo - Yenra Picture Wiki
Kamui Gakupo is a Japanese Vocialoid developed and distributed by Internet Co., Ltd. as Gackpoid (がくっぽいど Gakuppoido), which was initially released July 2008 for the Vocaloid 2 engine
Gakupo from Singing of the Sand Dragon
There has since been a second installment developed for the Vocaloid 3 engine. His voice is provided by Japanese male singer, Gackt.