Julian Paul Assange is an Australian computer programmer and the founder of WikiLeaks, an organisation which he founded in 2006.
"Chad Davis (born 1981?) is an American hacker (or cracker) from Green Bay, Wisconsin, who operated under the alias of Mindphasr. He was the subject of one of the most high-profile prosecutions of cybercriminals of the late 20th century. Davis is a founding member of the globalHell syndicate of hackers, and is suspected to have authored or participated in the hacking of the websites of numerous businesses and government agencies." - Wikipedia
Nickname: Captain Zap
American physicist and computer security expert. He is known for helping the FBI track and arrest hacker Kevin Mitnick.