Artist, mangaka.
Japanese name: いぶろー。 (Iburou. or Iburoo.)
Old names: たけうま (Takeuma) or たけうま司 (not to be confused with another illustrator called Takeuma)
Circle name: 竹馬の友
Old site names: いぶろー。奮闘記 or たけうま製作所
https://twitter.com/iburo1026
https://twitter.com/intent/user?user_id=1105352905228378112
https://seiga.nicovideo.jp/user/illust/30285351
https://www.nicovideo.jp/user/30285351
https://www.pixiv.net/users/5369670
https://www.pixiv.net/users/8050163
https://www.pixiv.net/stacc/iburo-581026
https://www.pixiv.net/stacc/takeuma1983
https://twitter.com/iburo581026
http://com.nicovideo.jp/community/co1925589
http://com.nicovideo.jp/community/co2393978
http://iburo.x.fc2.com
http://iburou.blog.fc2.com
http://takeuma.x.fc2.com
http://twitpic.com/photos/takeuma1983