I think Sakhill was smart and, for going more undercover, he didn't register just Copper accounts. I just found 5 more accounts writing in the same way and their posts are usually just above / below the ones of Kamilaz, aiguy or Lightz.

- aldanstep1 - https://bitcointalk.org/index.php?action=profile;u=2849542
- LeDonna - https://bitcointalk.org/index.php?action=profile;u=2777309
- seocrush - https://bitcointalk.org/index.php?action=profile;u=2851568
- proscratcher - https://bitcointalk.org/index.php?action=profile;u=2579564
- DavidBut - https://bitcointalk.org/index.php?action=profile;u=2851580

These should be added to other three accounts, mentioned by LoyceV in the spambusters topic:
- Detrix - https://bitcointalk.org/index.php?action=profile;u=833235
- TheDonBuja - https://bitcointalk.org/index.php?action=profile;u=2851426