IceBerg is really only known from the Oki 900 FAQ that he released. Not a whole lot is known about him, but there are many rumors.
"Compiled" a very large oki 900 FAQ
Has traded oki 900s for sexual favors
His website
http://www.geocities.com/ResearchTriangle/6218/
http://www.hackcanada.com/blackcrawl/cell/oki/oki900faq.txt