Name | Category | Group | Country |
U-Man 5 releases | Coder, Music Artist, Texter, Graphics Artist, Sysop
| Aurora, 2000 AD, Crux, Bad Karma, Orbital, Crude, Final Impact, Sug Rör, Crux & Bad Karma | Sweden |
Ufo 5 releases | Music Artist, Texter, Graphics Artist, Sysop, Leader
| Leprosy, Metal Church | Austria |
Ufo | Sysop
| Empire, Omicron, Alfa Base | Sweden |
Ufo | Sysop
| 2000 AD, Lost And Damned | Denmark |
Ugglan | Sysop
| Defiance, Eureca, The Noble House Of Amiga | Sweden |
Ukulele 100 releases | Music Artist, Texter, Graphics Artist, Packdisk Editor, Sysop, Swapper
| Movement, Addonic, Intuition, Amaze, Erosion, Banal Projects | Finland |
Uli | Sysop
| Spreadpoint, Alpha Flight, Flying Saucer | Belgium |
Ultimate Warrior | Sysop
| Decade, The Company, Shadow Run (Germany) | Germany |
Ultra | Music Artist, Sysop, Designer
| Sardonyx | |
Ultra 12 releases | Sysop, Leader
| Alpha Flight, Tarkus Team, Active Cracking Force, Quicksilver, Invisibles, Ultra Box, The Syndicate | Germany |
Amon 14 releases | Coder, Texter, Sysop, Swapper
| Defiance, Byte Busters, Agnostic Front, Submission, Mystic, Cadaver, Tension | Sweden |
Uncle Unkewl | Sysop
| Barracuda | Germany |
Undertaker 1 release | Texter, Sysop, Modem Trader
| Amriotz | |
The Undertaker 26 releases | Texter, Sysop, Original Supplier
| Quartex, Classic, Agile, Bitstoppers, Mutual Assured Destruction, Fusion, The Data Division, The Graveyard, Eclipse (old) | United Kingdom |
Unheard | Sysop, Raytracer
| Neo | Sweden |