Artist, eromangaka.

His name was taken from his pixiv username and his signature on post #176487. He does however use several variations, all of which are just different numbers of 'me' repeated. Later he decided to use "Meme50."

Japanese name: メメ50 (Meme50)
Circle name: メメ屋

See also.

• Blog: http://blog.livedoor.jp/meme50-dmmc/
• Pixiv account (inactive): http://www.pixiv.net/member.php?id=27897
• FC2 live account: http://live.fc2.com/6375724/
• Twitter account: http://twitter.com/meme50
• Twitpic account: http://twitpic.com/photos/meme50
• Old blog(dead): http://akamanah.blog.shinobi.jp/