Artist, diligent whistler.
Artist name: ぽりあん (Porian or Pollyan) or Polly
https://www.pixiv.net/users/140980
https://www.pixiv.net/stacc/monopolly
https://seiga.nicovideo.jp/user/illust/350475
http://www.nicovideo.jp/mylist/5581317
https://www.nicovideo.jp/user/350475
https://pawoo.net/@monopolly
https://pawoo.net/web/accounts/551761
https://sketch.pixiv.net/@monopolly
https://twitter.com/monopollyan
http://p.twipple.jp/user/monopollyan
http://twitpic.com/photos/monopollyan
http://yfrog.com/user/monopollyan/photos
