| Status | Name | Position | Date Registered | Posts | |
|---|---|---|---|---|---|
| Untry | 2016-05-04 | 0 | |||
| UnU | 2017-12-08 | 0 | |||
| unused_password | 2022-10-11 | 0 | |||
| Unusual | 2014-08-28 | 0 | |||
| Unusual Pegasus | 2016-12-27 | 0 | |||
| Unusual Scoutaloo | 2014-08-01 | 0 | |||
| unusual scyra | 2013-09-14 | 0 | |||
| Unusual Sombra | 2013-07-10 | 0 | |||
| UnusualCrate | 2012-09-28 | 0 | |||
| UNUSUALDUDA123456 | 2017-11-03 | 0 | |||
| UnusualLegend | 2014-05-19 | 0 | |||
| unusually_dead | 2021-01-26 | 0 | |||
| unusualpony | 2013-07-08 | 0 | |||
| unvagocioso | 2014-04-18 | 0 | |||
| Unwary | 2014-01-26 | 0 | |||
| UnwatchedAbyss | 2022-05-14 | 0 | |||
| Unwished | 2020-09-25 | 0 | |||
| unwoundpath | 2012-09-29 | 0 | |||
| UnwrittenTale | 2014-01-22 | 0 | |||
| Uny | 2022-05-20 | 0 | |||
| unyagay | 2021-01-29 | 0 | |||
| Unyne | 2018-08-14 | 0 | |||
| Unyo | 2016-09-30 | 0 | |||
| Unyta | 2014-08-09 | 0 | |||
| unz | 2018-10-23 | 0 | |||
| uokiuoki | 2019-03-17 | 0 | |||
| Uokka | 2017-09-10 | 0 | |||
| uomii | 2017-09-17 | 0 | |||
| uooheuoohe | 2014-04-19 | 0 | |||
| UoSOs420 | 2018-04-12 | 0 | |||