The most registrations in one day was 225, 09-19-2009.
dibie07, emorej1995, gelitch2, goldfish, Kemot, littlefly, nadjir, nodj23, Piicho, Plucker, voltar, weijun

The most members online in one day was 1,317, Yesterday.
00LUGU00, 067988659, 0petz253, 123kiwi, 12rence17, 1oki, 2678728, 4zn, 88bergman, abby 13, abess000, abreah, Aceaz, acexual, achiles, AchronycalChaos, adampeach, adelex1314, adiktdtololi, adikzzz99, Adria, adriane19, adZel, aerolics, Agito, ahbubu, ahkheng, ahkjay, AHLoveGun, Ahmet, AiChan, aikyo17, ainfinity, aishe89, Aiyoku, Ajimbo, AJjudez, akaklia, AkiChan846, akito29, akiyamayuki, akmal, albert1chu, aldwin30, alienoberle, alinheng2009, alistier1, alixier, Aliza0113, Alpha Lance, alyssakun, amatsusah, amaya, Amaya87, AmonAmarth, Anaala, anal007, andrico, Andy30Sasuke, andypara, AngelaKawaii, Angelosiks, Anime Addict, anime12jean, Animegirl212, animelover21, AnimeMrathon, animeXdevil, anotsu, aplsung21, apophsis24, ard3n, arghbaryar, arieyh, Ariku777, Arikumimirik, arkaene, arleas, arqqus, Arsi, asaness01234, assasins, Atomsk, atronzala, axel623, ayaltoya, azeraphin, azrael99, Azumi, B0b, BabyLone, badderguy, BaKarAzoo, balls, bangoai, bannmeout, barahime, batangbata, bayadera, baybay3088, baybeepanda, bbyxgurlx704, BeanE, Beauz, Bellcross, Berpoh, betty, bgurlforu, biAnCz04, bianx29, BIGN0SE, binboday, Bindu1000, Bizzare, blackseven, blackstar500, BlakHanuMiko, bleach, bloodreaver01, BloodyAngel, bloodymare, BloodyMary, bloodyme1991, bloodyrein, blue42, bluhbluh765, Bobbert, bobobear, boozh, boredspk, bryleeman, bstosnbata, Bubblegum, buenyves, Burnout429, byronisdaman, c1arissa, Cabale, caddock, cael44, candyrukia, Capone3830, CascadeHope, ceanix, cecilescaran, celblue08, chancesz, chango86, chaosmembrane, ChaosZane, charific, CharmsCookeh, cheliebelie, chemics, cherryblue, Chesterness, chibi107, ChibiChen, chibisuke, Chicolo, Cho Hakkai, chusenatin, Cirrian, cloudrock, cloudstrider, Cloudstriker, cms321, cocabonga, Code Geass987, Coiffio, coldfire01, conflict21, conqueror, coolpacket, CoronaXbEAST, Corti, cowpride, crayoncvt, crayzer, credential23, crossfire, Cryse, cuencaemilio, cukibear, cupidzbound, cwong, d12rj01, d1mpl3, D34th 4nG3L, Daenaerys, dandan, danial78, DANTE20XX, dardzh, darkangel195, darkatheist, darkdragoon, darkfury71, DarkHeartAnubis, Darkphoenix912000, darkpoetry, DarkRose, darkshinji, DarkSL, darksunichi, DarkxMako, darth chewy, DarthFalco, davidam18, davidjr425, Deadric, Deenz, dehgongshow, deku689, delinquent21, delite, demise, demonstar3, deroy, desqui, devilboyel, dgoddess, diaud, dibie07, didiq4, DivineGuard, djdorifto, Dogy105, dorara90, dothacked, Drache, dragonforce, Draigon, drakiev2, drblair, dreamer713, drifterender, drin04, drino, DrJones, Drummerbabi9, dsdark13, dubee, duckykitty, dustbennei, dustinyang32, DylanDarkz, Dysuria, ebonysdust, ecliptz, Eden239, egomaniax812, egyptianruin, eienhikari18, einx2, Elexia12, eliemusica, elkkeh, em0, emer333, emns12, emorej1995, EnanGale, enervated, entiati, Envy666, enzo91, EphemeraL, epsilon27, ericdecastro, erikachan, erste21, eumer77, eviljin1, evlknvl, Evolution, exia 01, exorcist wiz, Exousia00, eytmichael, fableism, Failgot, faithshinkou, Fantasma, fareeha, fatcharley, fauzimh, fer212000, ferone2ashy, feru, fieldtrip005, fieryrod, fightar, filafi, filippy, Fiora, firefoxviii, fishy, fitri2, flamepan, flartic, forecast, forestine, Forget, ForsakenAngel, fphl56, Fr0zEnLeaF, freestyle99, freezing008, freshlybakedcookies, frieza178, FrostBite, fudd330, Fullmetal, fundilloman, fungo, funkypink, furymeteor, Fyanna3, gaetienn, gamer45798, gammanumeric, gdnitez, gelitch2, gerhon, gerry135, ghelghel24, ghenox, ghij215, GHOST, giggig, Glider100G, globeopinion, Glory11, gmachine19, godismanx, godlike30000, goldfish, GothicLizzie, Grandioz, grandkaiser, gravey, Greven, grey99, Guitarlord23, guuluu, guv, gxyoumo14, Hackfresser, hahaha37, hakitser, halcyonyears, Han Noon, hanagonzaga, Hangyaku11, haniemae13, hannah marie, haro09, Haruya, haujfs, hayatekenji, hazardy051, hehahehohi, hellboy14, helloimbas, helloxpd, helseint, henery1010, heydudetoo, hiabc, hinahinaxxchoco, hinasasunaru, Hiyoboy, hjkle, hmongthugz, holykain, Holyshiitfck, holyvampire9, hopeless, Hussein19, Hyakuen, hyannae, HylianMedli, hyywes, icebreak01, icerein1403, ickker, IcyRuby, icyweather, id2o9, iFate, Ignis, iluvgames23, innovatio, ire, irinack, IrishMonkee, isaacang123, ispyotaku, ixbite, izatare, IzumiChan, izuzerea, j3mr1234, jacklowe, jacksontan26, JadeFist, JadeHymora, jadeliciousdk, Jagar15, Janrell, jaredkw1, Jarid88, Jarsha, jason1980, jasonh8m3, jasonlimxy, jasperneox, Jath010, jayjay511, Jayu42, jayxcheng, jben, jbluey, jdsel, jedrodenson, JeffJak, Jefurii, jeiru01, jellypop, jena08, jencas, Jennyexx, Jerainne, jeromestrife, jessaela, jessetew02, jessme00, jetgallo, jfmarasigan1, jhai0603, jheymielle, Jiaraiya, jinhose, jmc023, johnlyn10, johnsilva9, jolim, Jonaksis, joshen, jovi04, jtran1, judaime123, junox1, Juplu, juriansama, justherbie, juzpigz, jvay26, jzero99, k3roberos114, kady90, Kahasa, kai12223, kai435, kaien011, kaifox, kail14, kaitoukid21, kakusei52, kalarisuena, kaleidos, Kamaitachi, Kansandora, karinchama, katastic05, katl91995, kaung htet, kawasumi, Kazi, Keir06, Kemot, ken08alvarez, kenchin, KenjiHimura, kenner111, kenny01, kentpeng, kerrikku, kevincheon, kevintan, kevzki, Khelemarth, KhemerSone, kheno, kholes, Kibagami, kichigaisama, kick23, Kickass0010, kid3378, kidd1st, kidseven, killermask, killingmonkeys1, kim814, kimu07, kingdranix, kinglee, kinglucario, kingsly, kitsune52422, kjiang123, kjkj1212, kkkidd, KlaOmega, KLyTH, KnifeGodFlux, kobikik, koedt, KogaClan, kouryu, Kozue, kpryde16, krievana, krisaira, Krowley, krull, Kryptonyte, kryxis, kudravy, kugiri, kulas00, Kurtherror, kurtko, Kutekitten, kuzi87, kyle93, Kylix, ladymichaela, lamu123, langley17, lastshin, Laterlater, lauchiayee, lauclan, lawrence11, lazymonday02, leafstorm07, lelchan, Lendyanel, leonben, leonx2, lerwen, leshley, letumio, lhagan, Lightpen, Lilmon, LimeX, littlefly, lizheng27463400, lJimsonl, lloydc, Lockon Stratos, logilogs, lolapalooza, looker, Lord Bob, LordNight, lovelygin, lowerletters, luck, luckyt, Lunabolt, LunarKai, luvtheworld2, lynpusod, mackey7, madboy21, Madeline95, madrake112180, maejill, maemew, Maemichan, MagicDrake, mahabir, maicomplacent, makin21, mamimi, man, Mangahero18, MaoChan, Mapizty, marcenaries, marijh0han13, marimol, marinne14, markchanoo1, MarlboroRed, martin45, massacerist, mattduy, mattpro, Max Magnus, maxy5515, MayaNatsume, mckiven, mdhttr89, MdUiFvFer, medicontherun, megatoilet, melojm, memories, MenchiMeetEx, merina1234, mermaidninja, metalgearray09, Methulas, MewPudding3X, mezmero23, MichealTracy, mijiyo, mikeesly, MikeNeel, mikki23, mikko0, mineyu, MioAkiyama, mitsuki, mizuki538, moichie023, moltenroks1, momochan1612, momoiwanpaku, monsterMango, moonbay, Moonfall, mortacious, mOsinG17, mreden, mrtree, Mulan137, mulskrat, Muyomi, mxysicnarf, mysterybomb, myzery75, n00p, n3m0s, nadjir, Naigosen, nallepuh90, nAmikaZe5032, namitaka, nannel24, Narcissu, naruto122, ndemonfox, nearsgrl, Neeru, nemamiah, neojin, Neowildstar, Nerfmeh, neurogeek, newbie97, newuser0001, Nicktendo, Nickx1717, nightshade, nigish tina, Nikklazz, nimbus15, nisty, niwatori, nix222, nodj23, nomadwalker, nootesh, noromew, NOSGNOIT, nostalgia823, notanotaku, nothanks, nova24, Noveno, nsomnia, Nukichi, numbuh16, Nupsleseelm, o0oabhie, ohstevoo, OIRAMSTYLE, oOBenOo, orenbardtive, Otaku, otakuboy44, Otakulover, Otori, overn17, OVirus53, p0815554, p4pex33, pac, padz09, PandaGuy25, PaperDizzly, Pascon, pawitzZkieE, paxtor180, pearairplane, peruru01, Phantom70001, Photon, picstruck, pidodido, Piicho, pikel, pinedazam, pkkcubillas, playerchet, Plucker, plutonianfae, pochiii, podexo, pOrkie, powerblock, prajnawhm, Princeynd, prish0810, privusa, pumpkinzero, PunchingWall, purplecowadoom, purplegurl, pwet217, Qienaaaaaaa, qingbo, qtyznz, quarke, Quetzalcoatl, Quote, qwertyuiop10, rahping, raigaeki, raijin007, rakusa, RandyPen, rani, rapunzelrose, Rasen Oh, Rathma, ratratrat098, Raveron, rayman221, raytoz101, rcizzle1, re1n, Reaper Pure, Red Frame4, rejoice, Remixed, renaru, RenegadeXD, reneil26, Revenge, rhaaz, rhaiii, rhain6116, richard23, Ritsuku, ROBOGOMO, rock213, rocky4321, rockydarsh, rokudomukuro, ronzzz345, rose360x1, RRV, Rufio305, russj, ruttimanisk, Rylsouske, ryuunosuke, s3cr3tb0y12, saakura, sabrina, sacredblader, sadistrin, saiyonako, sakrai05, sakurahana97, sakuraihara, Samsora, saranghaeyo, sashi24, sasuke319, Saviourx3, Sawako, sawanikuya, saya otonashi, scarlet113, scasia, scojio, scythezero00, Seien, seiiez, selenity136, SelinaTalin, seraphic12, SeraphimWing, serphinia, Seth1396, sexby, Sh1buya, shadowkid93, ShadowsLiyte, shadowspyke2828, shah6287, ShckAbsrber, sheevas, sheryltsm, shia2400, Shibbeh, ShiniGamiVII, shinochan, ShiraKiryuu, Shisu, Shiuan Haur, shiyome, shl979, sho05, ShockPulse, Shota, siaosiaode, sifto23, silentscream, Silenuviel, Silver41, SilverGoat, SilverStar56, Silverwaters, sir mjood, sixxjong, skeithvx, skidle, skip2myloots, skittles16, SkyDX, sltyrant, smellymelly, snoogenz, snowicle, socrateschan, solarex77, solhat, solidoxygen, Sorel, Soujiro Ken, spade138, SparkyLyras, SpazKaz, spenc15, spike, squald, Squalldm, srnelso, Srsly Panda, stealthgundam0, stepdown35, stepphen123, Stormer, Strife, stupidchay, SuaveH, subterfuge, sunsetwish, superamytello, superfriar19, Supernatural19, Sutiivu, svenddlysins, swai55, swearguy7, SweetGBG, Syphor, tabbes, taishuan, takomaki, tamahome, tambaylang2000, tancya, tangy04, tanomighty, tapsilog09, taskii, tates11, Tayschrenn, Tayutai, tc11, teash83, Tedii5, teekay, tekhonas, Tenshin, teru08, tfioi, The Cure, theotmonster, Tigerhawk84, tigeryama, tinajaque, Tinychibi, tmang1005, Tnseukkoi, tommyxnguy3n, toms32, tontono3, tonyu56, tormenteh, totsie79, TousenKaname, TrainerWiz, TranceLiight, trigun357, tripad, trisabre, tristop123, troyax101, TsuTsu, turniphead, Twiztiez, Tykonen, Tylerthe, Uberdask, undam, unknownzfury, unyates07, upoooo, valkyrierind, valn27, VampireRina, vanvan6381, vectorplate, ven23ice, Vene, Venus88, veroli, vherhonne, viking103, vinchi214, Vipy1, vladymer, voltar, vtec2si, w1dj4j4, w72w0ow6gl, waffow20, walktru, WarDrop, wargwrath, warren1106, weijun, weisner21, weiss13, wenny, wermax, whaleghost, WhiteFangofK, whwan89, whytheday, WILDSTRIKER03, windf0rce, WindKing, winner69, Winter, wiredtermite, wrathofivan, x3Saranghae, X7Z, Xallista, Xalyx, xAttilax, xAznDragon, Xephyl, xianlin800, xianyi123, xiety, xinimic, xldragonlx, xMelbax, xorel, xtreme, XxAnimexX, xXDemonBoyXx, xXSyzeroXx, Xze, yellowbussryda, yesca0717, ylk123, youbetrs, yoyoman, yoyoyoyou, Yrena, yuelinereiki, YukiChan, yukichan08, Yukina, Yuuen Kid, zaiffer, zairyu, zavo, ZenNaari, Zephora65, Zero777, Zerogogeta, zevlag21, zhenny, zoechico, zzr0nzz

The most posters in one day was 86, 12-29-2009.
adiktdtololi, AngelaKawaii, apophsis24, asaness01234, Capone3830, dothacked, EphemeraL, erikachan, eytmichael, hahaha37, hyywes, jeiru01, jhai0603, jzero99, kaien011, Kansandora, katastic05, kevzki, lastshin, leafstorm07, lelchan, marinne14, mikko0, MioAkiyama, nannel24, pikel, ratratrat098, Red Frame4, reneil26, sawanikuya, xiety, ZenNaari, zevlag21