- Jason 'The Hermit' Erskine 2
- Jason 'Warhead' Dusterwald 2
- Jason 'babyjoker' Dyer 17
- Jason Bevins aka GodlyGamer 5
- Jason Brown 2
- Jason Cecrle aka BitterPill 2
- Jason Constable aka KillEmAll¥ßR¥ 9
- Jason DeJardin 2
- Jason Leigh "Punchy" 3
- Jason Royle 5
- Jason S. Dusterwald 3
- Jason Scott 2
- Jason Seip 2
- Jason Tushingham 4
- Jason Wakelam 2
- Jason Watkins 4
- Jason Yu (Captain Kewl) 2
- Jason"Luciferion"Austin 9
- Jasper 'Weenydog' Lodder 5
- Jaspos 23
- JasposDesign 2
- Javier "PetrakeN" Braceras 6
- Javier a.k.a. "Petraka" Braceras 6
- Jay 14
- Jay "Loosecontroll" Harrison 5
- Jay Tee 4
- JayPeezy 4
- Jaymian 16
- Jaymz aka [rm-rf]axeman 2
- Jazz Burgess 13
- Jazzyb 6
- JbP 6
- Jean-Paul LeBreton 12
- Jêdrzej 'Qtit The Brave' Kuchta 2
- Jefe 16
- Jeff 2
- Jeff "Mantis" Standridge 4
- Jeff "Monger" Randall 9
- Jeff "MuchFun" Whittaker 4
- Jeff "Sykes" Budge 6
- Jeff 'Flunders' Smyth 9
- Jeff 'Lehm' Adams 5
- Jeff 'Nightshift' Buhler 24
- Jeff Amaro 15
- Jeff Amaro "DarkAngel" 6
- Jeff Casper 2
- Jeff Martin 100
- Jeff McClain (Jhondra) 3
- Jeff McDonald 2
- Jeff Randall 5
- Jeff Rubin 3
- Jeff Rubin, various 2
- Jeff Sedun 2
- Jeff Smith A.K.A. {TDC}Matrix 10
- Jeff Wilson 2
- Jeff {Death4u2} Greer 2
- JeffWilson 2
- Jeffrey 26
- Jeffrey "Capp" Miner 4
- Jeffrey "Chronos" Flower 2
- Jeff{Death4u2}Greer 10
- Jekko 3
- Jeklo 2
- Jeklo_90.1 23
- Jen Tonon 2
- JennaJ-Bot 3
- Jennifer Diane Reitz 13
- Jennifer Diane Reitz lupa@otakuworld 2
- JenoLT 3
- Jens van Dijk 4
- Jensen "Tyfius" Somers 3
- Jeremiah 'Byte' Fulbright 3
- Jeremy 3
- Jeremy "Black_Plague" McEntee 2
- Jeremy "Faceless" Graves 45
- Jeremy 'PabloDiablo' Perkins 6