Forum Moderators: open
QBASIC
VB 6.0
C/MPLab
C++/Borland
C#/ASP.NET
PHP
Javascript
All flavors HTML + CSS
SQL (several flavors, including MySQL, SQLite, MSSQL 2000, 2005, and 2005 Express, though the differences between 2005 and Express are negligible)
I've picked up most of these in the past 3 years, and am now doing professional work in all of them.
Just for kicks, I started looking up Ruby on Rails over lunch today... Perhaps another language to look into. :)
The only nickname I've ever been given was "King of Nerds".
I'm not sure what is meant by "Heavy Duty Programmer" (mostly because my Encyclopedia de Google doesn't list it for any obvious search terms other than this topic in WebmasterWorld), so I can't really say if I qualify. :P