Artist.
Japanese name: ひげ紳士 (Hige Shinshi, the artist uses this spelling: "higesinsi")
Old names: しんくん (Shinkun), ひげ (Hige) or ひげ/c (Hige/c)
Circle name: Hya-ZokuSEi (circle partner: Tahya)
Old circle: あじわい牛乳 (Ajiwai Gyuunyuu) (circle member: B suke, M-yuki and Baumkuchen)