To wit:
Darth Lars (03/07/04)
Darth Chaltab (03/21/04)
Darth Balls (04/16/04)
Darth Ekul (09/24/04)
Darth Mallwalker (09/26/04)
Darth Simon (10/09/04)
Darth Editous (03/23/05)
Darth Belan (05/17/05)
Darth Balkan (05/21/05)
Darth Black (06/13/05)
Darth Asshole (07/21/05)
Darth Enzo (07/21/05)
Darth Richard (10/15/05)
DarthBoMan (11/28/05)
Darth Solo (01/07/06)
Darth_Evil (05/18/06)
Darth Adroit (06/08/06)
Darth Cracker (08/03/06)
Darth Chet (08/08/06)
Darth Cold (09/23/06)
Darth Awesome (09/25/06)
wwdarth (04/03/07)
DarthBo (08/28/07)
Darth Chronus (09/23/07)
Darth Wagner (10/04/07)
Darth Bos Pity (03/20/08)
Darth Stewie (04/02/08)
Darth Frivolous (05/23/08)
darth_shadow (05/25/08)
Darth Blacken (08/14/08)
darthflan (08/18/08)
darth_scourge (09/12/08)
Darth Yub Nub (09/28/08)
Darth Hade (10/02/08)
darthmunky (11/06/08)
DarthRayne (11/12/08)
Darth Evil Guy (1/27/09)
Darth Piccolo (02/27/09)
DarthPlagueis (07/22/09)
Darth Venal (07/29/09)
Darth Cadavra (12/02/09)
Darth Id (08/24/10)
Darth, What's His Name? (11/03/10)
DarthJarJar (11/16/10)
Darth Bizarro (11/29/10)
darth_ender (04/26/11)
DarthPhilosopher (08/27/11)
DarthLucas (09/04/11)
Darth Tater (10/27/11)
DARTH SLIM (04/14/12)
darthmaul (04/21/12)
DarthBeer (11/03/12)
Darth_Sidious (10/21/13)
DarthKenobi (10/27/13)
DarthAss (11/04/13)
darth-gary (12/24/13)
Darth Kaos (02/19/14)
DarthJedi (05/23/14)
DarthOriginalsFan (09/23/14)
And lastly, the patron saint of this thread:
No More Darths (10/09/10)
More to come, I'm sure...