The most chatters online in one day was 16, 26th February 2009.
gcollin

The most members online over 24 hours was 303, 3 Weeks Ago at 23:48.
454, Abberzoo, Abrahm, ade0x, ael, airlim, Aitortxu, ajbriggs, Alejandro, Amphibia, andes, aramcheck, arumanii, Ashlie, athene, audrey, Axologic_Jaymes, axolotlgangster, Axomarielle, azhael, b00f, backrdexpd, Badmungo, bazalt, beetrootblue, bekker, bellabelloo, benw, bewilderbeast, bex255, big a little a, Biker Mike, BILLY JAMES, bitenomnom, blabberwort, Black Wolf, breviceps, caje816, caleb, callina, catfish dude, caudatadude28, cg, cherryscented, chris_dishmon, cichlidjedi, Clairey Beary, Cliff, coendeurloo, countb, craig, crazy1275, crested, cschilling80, Cts, cynopsonico, damien, dane_zu, Daphnis, Darkmaverick, David Tobler, dbarrett, Deej, del, Della, Derm, dianabee, dick, distefan, donia, Doubleduty, dragongirl413, drj, DrNachoZ, ecoreptiles, EdRafferty, ed_moyer, eljorgo, ellena, Eon Chao, erwin, esoteric, Evan Hilton, evut, Exton, ferreron, ferret_corner, fionamechan, firedreams, flan123, Franklin Price, Fratt, Fred, freves, gcollin, geodaryl, ghostsaw, Gim, greabo, Greatwtehunter, Greewok, Greg31, grius, gsimon, Gunpowder, Hardwarehank, harmonia, heavybows, Herb, herpvet, Hooky87, Horsetuna, huug, ianclick, im a doughball, Ionstorm, Jacquie, Jadore axolotl, Jake Saunders, James Gordon, Jari B, jayneboer, jbherpin, jctkc, jehitch, jelkins, JenJen82, Jennewt, Jonny Doum, Justin Bailey, k49er2009, KarlJefferson29, katebutton, Kaysie, Kazerella, KennyDB, kenya, Kerry1968, kirstyandmark01, Kurt, kylorz, lamas, lchakan, Lesueurii2, Lewy, liam, lilsoul, lisalee2, lou, lutafisk, madeve, madFrankie, malduroque, MAPHerps, marco, Markw, matt3civic, Mayfly, mechanic380, Melmo, merk199, michael, Mitzee, Mommy2many, monkeyfrogman28, morg, mortisia, Munchausen, nate, Naughty T, newmanda, nichobro15, nickjwes, nkatko, nookiecrook, nora, NuGundam, oceanblue, oceangoddess106, ODell, orangebud, oregon newt, otterwoman, OZIRIS, pandiboo, PanTech, paullism, Pedro Oliveira, PereJosa, pete, peterrobbo, petro, petvetallison, phaelsilverdogs, philbaker76, pinkangel729, pollywog, pondkid, Ralf, redshulu10, rick, rohraen, RPM, rust, salamandra, SalSA, Sean Brady, sena1010, sirus14, slimer, Slimy2, slowfoot, SludgeMunkey, SmartBartje, snow4aaron, Socrates, Spartacus, spendday, sponyc, srfr72, staticgirl, Steve Roman, stinkpot420, stormcrow73, superfin, SUZY, swooping, taherman, Tappers, tdimler, Terry Schild, TheMagnusEffect, tiggae1980, tim, tony, tonymontanaflows, Toptex, tran, tuxar linuxarmy, Velaria, vide, vincent, vistajpdf, warrior, Weldd, whyjune1st, xMIDNIGHTx, yager, Yahilles, Yucca Patrol, Zolotl