I just went down the top 200 posters and named the members I know easily, which is about 35 to say at least. I probably know more but... I can't think of them right off the bat.

(SPOILER)
Jiro - Dakoda
Rye - Jessica
I'm my own MILF - Huxley
Jessweeee(musical note) - Jessica
Psychotic - Paul
NorthernChaosGod - Julian
Loony BoB - Daniel
Fonzie - Colton
Rantzien - Pontus
Del Murder - Tony
Freya - Kaycee
Momiji - Justin
Flying Mullet - Chad
Shiny - Tanaya
Raistlin - Wesley
marshall Banana - Monda
ShlupQuack - Amanda
oddler - Jeff
Shoeberto - Stu
Sagensyg - Lawrence
~*~Celes~*~ - Kari
rubah - Allison
Citizen Bleys - Mark
Chri$ - Chris
UnbreakableWill - Will
Melissaur - Melissa
Fujiko - Sara
Kirobaito - Casey
Raven Nox - Sarah
DK - Dan
Jess - Jess
Leeza - Leeza
fire_of_avalon - Meghan
Bad Wolf - Katie