Japanese
AAA http://wiki.theppn.org/AAA
Abingdon Boys School http://en.wikipedia.org/wiki/Abingdon_Boys_School
T.M.Revolution http://en.wikipedia.org/wiki/Takanori_Nishikawa
Arashi http://en.wikipedia.org/wiki/Arashi
NEWS http://en.wikipedia.org/wiki/NEWS_(band)
KAT-TUN http://en.wikipedia.org/wiki/KAT-TUN
Kanjani8 http://en.wikipedia.org/wiki/Kanjani8
Tommy February/Heavenly6 http://en.wikipedia.org/wiki/Tomoko_Kawase
WaT http://en.wikipedia.org/wiki/WaT
V6 http://en.wikipedia.org/wiki/V6_(band)
L'Arc~en~Ciel http://en.wikipedia.org/wiki/L%27Arc~en~Ciel
Gackt http://en.wikipedia.org/wiki/Gackt

Korean
Anyband http://en.wikipedia.org/wiki/Anyband
Epik High http://en.wikipedia.org/wiki/Epik_High
Tachyon http://kroongho.livejournal.com/22091.html
So Nyeo Shi Dae (SNSD or Girls Generation) http://en.wikipedia.org/wiki/Girls'_Generation
SMTown http://en.wikipedia.org/wiki/SMTown
Super Junior (some members also have an album in Mandarin) http://en.wikipedia.org/wiki/Super_Junior
DBSK (also have albums/singles in Japanese) http://en.wikipedia.org/wiki/TVXQ
BoA (also has albums/singles in Japanese) http://en.wikipedia.org/wiki/BoA
Wonder Girls http://en.wikipedia.org/wiki/Wonder_Girls
Rain http://en.wikipedia.org/wiki/Rain_(entertainer)
SS501 http://en.wikipedia.org/wiki/SS501

Chinese/Taiwanese
Danson Tang http://en.wikipedia.org/wiki/Danson_Tang
JJ Lin http://en.wikipedia.org/wiki/Lin_Jun_Jie
Fahrenheit http://en.wikipedia.org/wiki/Fahrenheit_(Taiwanese_band)

There are more, but I can't think right now. I will come back later and update the list.

well, some of the groups/people that you have on your list I liked before, but now thanks to you there are even more. One in particular is Super Junior. You have turned me into a semi-follower, good for you

Whooo hooo! ^^

And now thanks to you I can't get Gee by SNSD out of my head. It is stuck there!!!!!

MWAHAHAHAHA! "Gee gee gee gee baby baby, gee gee gee gee baby baby"

Clicky Clicky

Hell yeah for Epik High!!! The concert in NYC was awesome!