(sic), .NET, 1197, 1311, 1991, 4ir, 8472, AEQUITAS, Aerox, al3xk1ng, Alesana, aLph4Tier, alpha-one, Altmayer, Anatoxis, andiesdream, AnNoymuS, Anonym, Apex, apophiz, asd1234, asdasd, astra, Invisible, awesome, bammes, bandi, Banned, Bart2oo, Bee, Berni-G, bert, Betonklassik, beware, Bitronik, BlackMatrix, BlackWindow, Black_Revenger, BOR3D, BrotJunkie, Bruce, Bueno, c0ldice, C4$h, Caeco, Cangria, casali, catwoman, Cawabanga, ChengTan, CHIll0R, Cody, Comu, COnnecTion, Crisader, Cryptic4, CTRL-ALT-DEL, Curson670, CYBA, Cyber Tjak, Cyberterrorist, dAKTa, dattj, davin, DayDay, deezee, deLphi, der_affe, Dev++, dezzren, DMW007, Doomman, dpgc, Dr. Piranha, Dr.Experte, DubstepHQ, Duellking, Einfachnurso, eL!t3, eXact, exetex, FakeID, Flex, Flohigh, fnixha, focker79, foo23, Found57, fred777, G00GL3, Ganjaversender, Ghostrider, ghosty, Gil Bades, Göbbels, hackbart2, Haftbefehl, Haksor, HansHans, haxxor1337, HeyApple, HizzY, honey, huhu, hyundai2010, i6ol, Imkon, Inspiration, Intensiv, ixde, J4VA, jens3911, jexhammer, jiinX, Joman, K0mpetent, K4zuj4, kamilletee, Kellerbaum, Kenji, Killer Keks, kimo, King of Hackz, kingpin1476, klb, kodiak, Koios, kranuni, krillewurm, kstARRR, Leise, leon, Leto, Lieblingsfreak, LiipTon, LinQ, Liv-E-viL, lolilol, lolwat, Lucky, luQ, M-$p33D, mdhkalle, MESSI10, Mimii, Minas Morgul, MoreThanJustAnOption, Morris, motion, Murderbass, Mxxt, n00bcrew, n0mac, negro, Nerotos, Invisible, nicey, nichtwichtig, NightH4wk, Nikecola, Noctis, Invisible, Norist, NRX, NSet, OneOne1, Ownix, p!rat, P4INW4R, pandora502, peppi200, Phil93, PhysX, Playah05, plz.die.thx.bye, PorTable*, pruned, pscBastard, pUR, purplera1n, Invisible, Raiden, rastafari, rbk, rechman, remaiN, richithebitchi, RiChMaN$, rocco, Rubik, S0KRATES, s1ck, s1nc3, Sa1nt, Samsa, Schwarzer_Rächer, SenF, Ser!0uS, shygo, sidisido, Silence, SilverFox, sinalco3, Sixass, slicer, Sn0opY, Snifalor51, sockr, special, SpeZiaL., Spezialist, Spliter, staix, Steve, Störenfred, SuperNova, SymbiotiC, SynF4ct0ry, Tacko, th3p0is0n, TheBigg, TheDude, ThePilot22, The_Virus_Crack, The_X, tijgertje, till7, Tobii, ToonY, Touch_Freak, Triple, Tritium, trixx, twinkle, tWiX, Ultimate, UniQue, unnex, VE3m60, vimi, vipkill3er, vw 411, walter1, Whitey, whocare, xlazvegaz, xLexis, Yakuza112, yannick, Yape_v1, Zerial, zero one crypter, Zone, ~chiko~

The most registrations in one day was 95, 6. December 2010.
Anatoxis, andiesdream, asdasd, awesome, BOR3D, Cangria, DubstepHQ, fnixha, HizzY, kimo, leon, pandora502, Phil93, PhysX, Playah05, richithebitchi, s1nc3, Snifalor51, TheBigg