| Member | Registered | Posts | Latest post | Kudos received/given | |
|---|---|---|---|---|---|
| OA | Oakster | 21 Oct 2005 | 3 | - | |
| OS | OboeShoes | 18 Sep 2015 | 31 | 19th Mar 2021 2:46pm | 8 / 7 |
| OC | Octothorpe | 22 Jul 2020 | 16 | 16th Sep 2020 5:19pm | 13 / 96 |
| OD | Odo | 23 Apr 2012 | 38 | 16th Jul 2016 12:09am | 4 / 3 |
| OF | OF992 | 30 Jul 2017 | 78 | 5th Mar 2019 6:59pm | 7 / - |
| OF | oflahertya | 13 Apr 2013 | 328 | 9th Dec 2018 10:09pm | 9 / 819 |
| OF | OFTVPres | 3 Aug 2017 | 3 | 6th Jun 2018 11:25am | 1 / - |
| OH | ohdearme | 8 Jan 2006 | 47 | 18th Nov 2019 12:29pm | 12 / - |
| OH | ohwhatanight | 2 Jul 2001 | 2,998 | - | |
| OR | Oily Rag | 4 Nov 2009 | 31 | 11th May 2010 10:10am | - |
| OK | Okan | 26 Sep 2008 | 1 | - | |
| OB | Old Bailey | 8 Oct 2005 | 18 | - | |
| OC | Old Carthusian | 6 Apr 2007 | 1 | - | |
| OL | Oldboy | 23 Oct 2004 | 21 | - | |
| OL | oldcrooner | 27 Mar 2006 | 1 | - | |
| OL | oldrocker | 21 Apr 2008 | 3 | 24th Jun 2009 9:30pm | - |
| OL | oliverburgess1 | 7 Oct 2006 | 174 | - | |
| OL | ollie3 | 6 Apr 2007 | 6 | - | |
| OL | Ollie5483 | 29 Dec 2017 | 2 | 1st Jan 2018 10:36pm | 1 / - |
| OT | OllieTV | 18 Feb 2006 | 2 | - | |
| OL | Olympus | 4 Mar 2006 | 14 | - | |
| OM | om25 | 11 Mar 2009 | 1 | - | |
| OS | omar's shotgun | 22 Oct 2013 | 2 | 30th Oct 2013 7:29pm | - |
| OM | OMGShhyp | 15 Mar 2016 | 1 | 15th Mar 2016 8:40pm | - |
| OM | Omnipresent | 25 Jul 2012 | 405 | 29th Mar 2021 2:56pm | 381 / 145 |