For over a year, subscribers to the Full Disclosure security mailing list had to endure the taunts and rants of a self-styled vulnerability researcher known as "n3td3v."

The troll–as such taunting posters are dubbed–would frequently ignite massive angry e-mail responses, or flame wars, at times limiting the usefulness of the Full Disclosure list. Over time, n3td3v took on multiple online personalities, or gained members of the n3td3v group, and attempted to create an online security hub. 

Story at securityfocus.com