Legendary Perl monks user paco, supreme author of just one 700+ rep node, is truly:

• A Supernatural Being
• An Extraterrestrial
• Elvis
• CPAN author Mike Accardo
• The Lindbergh baby, who grew up in Amelia Earhart's ranch in Paraguay
• SourceForge user paco, derived from Paul Cohen
• London-based software security expert paco hope, author of Mastering FreeBSD and OpenBSD Security
• Spanish chess grandmaster Francisco ("Paco") Vallejo Pons (paco stayed at Perl Monks for just 64 minutes, corresponding to the 64 squares on a chessboard)
• CowboyNeal
• A ficticious test user created by vroom during early PerlMonks site development
• Will always remain a mystery