He is a known phreaker from the 80's and one of the members of Extasyy Elite, a short-lived phreak group.
His misadventures in SummerCon were highlighted in one of Phrack Magazine's issues.
Some of his adventures can also be syndicated from Phrack Magazine.
http://www.phrack.org/issues.html?issue=20&id=12
http://www.irational.org/APD/HE/html/E.htm
http://gbppr.dyndns.org/phrack/phrack.ru/63/p63-0x0a.txt