| Status | Name | Website | Position | Date registered | Posts |
|---|---|---|---|---|---|
| onlyinnny | 2007-01-15 | ||||
| ooopandaooo | 2005-05-17 | ||||
| OP-Sparrow | 2005-04-29 | ||||
| op-x | 2005-11-21 | ||||
| Opal | 2005-10-09 | ||||
| optimax | 2005-09-11 | ||||
| optimist | 2004-07-03 | ||||
| orbish68 | 2006-01-11 | ||||
| ordever | 2010-11-19 | ||||
| organiz3d_chaos | 2004-06-17 | ||||
| Orlando | 2005-04-15 | ||||
| ORPHANE | 2004-06-23 | ||||
| ORTIZ | 2005-10-10 | ||||
| Osa | 2005-11-07 | ||||
| oscar | 2004-08-19 | ||||
| oscard | 2005-06-12 | ||||
| oscar_ | 2005-11-08 | ||||
| oscurotemplar | 2009-06-21 | ||||
| Ospery97 | 2004-08-02 | ||||
| OTD MSGTUSARMY | 2016-02-17 | ||||
| otimpyre | 2005-10-10 | ||||
| ottawa_server | 2006-07-24 | ||||
| otto_skorzeny | 2005-02-22 | ||||
| Ottrydd | 2010-06-29 | ||||
| OUDIE | 2005-09-28 | ||||
| Outlaw | 2005-04-26 | ||||
| Outlaw-Renegade | 2005-04-27 | ||||
| OutlawAceSniper | 2004-06-11 | ||||
| outofideas327 | 2005-07-31 | ||||
| outrigger | 2005-07-06 |