Artist.

Japanese name: ぺく (Peku)
Old names: ぺく＝へらくれす (Peku=Heracles) or ぺくちど (Pekuchido)
Cricle name: さいえんすサンタさん (Science Santa-san)

See also

• Pixiv account: http://www.pixiv.net/member.php?id=1566705
• Pixiv sketch account: http://sketch.pixiv.net/@junbe12
• Privatter account: http://privatter.net/u/peku029
• Twitter account: http://twitter.com/peku029
• Ask.fm account: http://ask.fm/peku029