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Kevin Poulsen, aka Dark Dante, was first noticed after hacking into the phone lines of LA-based radio station KIIS-FM, in order to make sure he was the 102nd caller -- and landing himself the prize of a Porsche as a result.
However, his antics didn't stop there. He also reactivated old Yellow Pages escort numbers for a friend who ran a virtual agency, hacked into a federal investigation database for wiretap information, and was dubbed "the Hannibal Lecter of computer crime."
He even appeared on television show Unsolved Mysteries -- and strangely enough, all of the phone lines mysteriously crashed.
Ultimately, Poulsen was snagged in a supermarket and served five years in prison. After his release, Poulson reinvented himself as a journalist -- and is known for a Wired article on identifying 774 sex offenders with MySpace profiles.