So that you won't need luck trying to send PMs to all the GpW usernames you can think of, you can use my compilation as a reference (Don't include the comments inside the parentheses):

1. GuMmYBeAr! (The best all around player.)
2. Wild Angel (7of9\Nobara\AthenA, GpW goddess of battle, wisdom, and certain crafts)
3. ShadowGPW (The big boss and clan wars and future evo maker and CStrike god)
4. Spaztic (Spiffyjuice, spam god, SXR creator, and VB programmer)
5. GoldBones (Semi-inactive; GB is not to be confused with GameBoy)
6. VeggieMan (Veggieclan founder, now GpW member; L33T LIEK JEFF K.)
7. Newspaz (Linux man and LJ hax0r)
8. Disguise GPW OR Disguise (JJ2/JCS level god)
9. BæÅüMÃ(-)Ñ (Clan leader of Jazz Powers League, now a Gpw and future football star)
10. Rýû Å$ (A$ Founder, now a GpW and likes to have you smell what he's cooking)
11. MR MAGOO (Formerly the leader of FK, now a GpW)
12. Fear (The name says it all)
13. [GpW]HunTeR (formerly a DL, Endangered species beware)
14. Electric Ir (long time member; real loyal terrier)
15. Dreama (Blueboard addict)
16. Tweety (The famous bird who also happens to live in a country that's got a name of a bird)
17. TrilogyDW (used to be a Dark Wolf, very good CTF player)
18. Seltzer (non-active, Blueboard spammer and stomach antacid)
19. Lama (former EE; non-active, but will be very active soon, seriously)

I can't find a username that matches the description of NY (Thing)

Note: I tried my best to make this as complete as possible and I'm doing this out of my free will, so don't complain.