Generally known as citizen428 online.

Main programming language:
Ruby. Also a mentor at RubyLearning.org since early 2009.

Some other favorites:
Haskell, Clojure, Common Lisp, Lua, Scala

Also playing around with:
J, Smalltalk, Scheme, Erlang, Factor, R, 6502 assembler, Python, Forth, Potion and everything else I can get my hands on.

Contributed bug fixes to:
JRuby (x2), Potion

Languages I should pick up again at some point:
C, C++

Languages I'm glad I don't have to touch anymore:
Cobol, PL/I