1. Beginner - Spells Perl: PERL. Is confused as to why variables have certain characters in front of them.
2. User - Understands why it is spelled Perl. Writes basic Perl games such as hangman. Does not see why he needs to comment code
3. Advanced User - Throughly comments his code. Does not understand the greatness that is CPAN.
4. Hacker - Writes his own CPAN modules. Does not like the shift towards Perl 6.
5. Guru - On the development team of Perl 5 and 6.
6. Larry Wall - 'Nuff said.