| Status | Name | Position | Date Registered | Posts | |
|---|---|---|---|---|---|
| UnoriginalBrony | 2014-01-25 | 0 | |||
| unoriginalspicy | 2021-05-04 | 0 | |||
| UnovaBrony | 2012-09-25 | 0 | |||
| Unown101 | 2022-11-22 | 0 | |||
| Unparched Butter | 2013-07-07 | 0 | |||
| UnpardonableHorse | 2014-03-26 | 0 | |||
| UnPause | 2012-08-19 | 0 | |||
| unponiuwu | 2019-12-24 | 0 | |||
| Unpractical | 2013-07-08 | 0 | |||
| Unpredictable L | 2015-02-21 | 0 | |||
| Unprofessional | 2013-08-23 | 0 | |||
| unpronounceable | 2014-03-27 | 0 | |||
| Unraisedllama83 | 2017-09-10 | 0 | |||
| unranked | 2020-12-25 | 0 | |||
| unrankedlife | 2017-12-24 | 0 | |||
| Unraveled Scroll | 2014-05-30 | 0 | |||
| Unraya | 2018-05-12 | 0 | |||
| Unreal | 2015-03-01 | 0 | |||
| UnrealGameBoy | 2015-05-18 | 0 | |||
| UnrealGamer57 | 2013-12-16 | 0 | |||
| Unrealistic | 2017-11-18 | 0 | |||
| Unreality | 2016-07-05 | 0 | |||
| UnrealJack | 2012-09-29 | 0 | |||
| Unrealmacross9 | 2021-02-25 | 0 | |||
| unrealvolume | 2022-07-07 | 0 | |||
| Unreal_Cat | 2018-06-28 | 0 | |||
| Unreal_Sergey | 2013-07-08 | 0 | |||
| UnreliaB0 | 2022-01-27 | 0 | |||
| unreluctancegaming | 2013-03-03 | 0 | |||
| unrude | 2021-09-26 | 0 | |||