| Member | Join Date | Threads Started | Posts Made | Blog Posts |
|---|
 | Unise1987 | November 29, 2022 | 0 | 1 | 0 |
 | united | November 15, 2016 | 2 | 5 | 0 |
| UNITED11111 | June 20, 2025 | 1 | 1 | 0 |
 | unitedairlines | June 19, 2025 | 2 | 2 | 0 |
| universal | March 19, 2014 | 0 | 0 | 0 |
 | universalcam | June 27, 2020 | 0 | 0 | 0 |
 | universitycance | December 7, 2021 | 0 | 0 | 0 |
 | unJon | July 1, 2018 | 17 | 5044 | 0 |
| Unlucky13 | May 13, 2017 | 1 | 2 | 0 |
 | UnLuckySoul666 | July 27, 2021 | 0 | 1 | 0 |
| unlvhotrod | August 12, 2014 | 1 | 1 | 0 |
| unnaturalusr | June 23, 2012 | 6 | 13 | 0 |
 | Unnflori | January 18, 2025 | 0 | 1 | 0 |
 | unobearfan51 | February 6, 2024 | 0 | 0 | 0 |
| unopine | July 28, 2016 | 1 | 1 | 0 |
 | unovegaswinner | December 16, 2023 | 0 | 0 | 0 |
 | UnrealPHD | November 15, 2014 | 1 | 1 | 0 |
| UnSlot | October 29, 2014 | 1 | 1 | 0 |
 | unterabteilung | October 8, 2020 | 0 | 0 | 0 |
| unwwe | June 5, 2017 | 0 | 1 | 0 |
 | uofmken | December 1, 2011 | 1 | 1 | 0 |
 | UP84 | May 22, 2012 | 3 | 374 | 0 |
| UpandUp | November 12, 2018 | 0 | 0 | 0 |
| updown | April 17, 2026 | 0 | 0 | 0 |
| upgrade020 | August 21, 2019 | 0 | 0 | 0 |
| UpInYaDeep | May 25, 2021 | 0 | 0 | 0 |
| Upliftedgamer88 | December 18, 2022 | 0 | 0 | 0 |
| Uposyleas | December 13, 2018 | 0 | 0 | 0 |
| upside | March 14, 2010 | 0 | 0 | 0 |
| upsman50 | July 21, 2014 | 0 | 0 | 0 |
 | uptopz | August 27, 2021 | 0 | 0 | 0 |
| upupsuper6 | November 16, 2020 | 0 | 0 | 0 |
| ur0pl | March 18, 2013 | 1 | 2 | 0 |
 | URALYACUZ | December 27, 2014 | 0 | 0 | 0 |
| Uranium235 | May 22, 2014 | 6 | 70 | 0 |
| Urascio | September 14, 2025 | 0 | 0 | 0 |
| urbanmk | May 5, 2011 | 1 | 2 | 0 |
| UrbanRaider | August 2, 2025 | 0 | 1 | 0 |
| urbanrisespring | July 17, 2025 | 0 | 0 | 0 |
| urbflorams | October 4, 2012 | 1 | 8 | 1 |
| Urggy2018 | September 12, 2018 | 2 | 3 | 0 |
| Urinbits | July 7, 2015 | 1 | 2 | 0 |
| urjakit | June 12, 2019 | 0 | 0 | 0 |
| Urs | November 22, 2011 | 1 | 1 | 0 |
| Urwahocane | January 5, 2017 | 0 | 0 | 0 |
| us5497 | July 30, 2011 | 0 | 0 | 0 |
| Us771998 | October 11, 2019 | 0 | 0 | 0 |
| usabottling | September 11, 2023 | 1 | 1 | 0 |
| usadealer | January 3, 2013 | 0 | 0 | 0 |
| USAFvet | July 30, 2023 | 1 | 1 | 0 |
