Here is a brief introduction:
Group A
Zhanhun(P)"战魂"
Soul of Fighter/Warrior
JeDi
Jedi Knight,nickname"姐弟"means"sister brother"
NaiDa
a tribute to nada,but sounds like "奶大"(big boobs~)
SoSo
just so so.He is an amateur gosu?
GroupB
JayStar
maybe he's Jay Chou's fan,nickname “霸王枪”( overlord's spear)
RushGoon
Rush-Go-On,nickname"天王"(Heavenly King)
Xin.
from his name"Chen ShiXin",nickname XiaoXin "小新"(Little Fresh?)
DuGu
Du Gu Qiu Bai(独 孤 求 败):I'm so lonely, just wish someone could beat me.
独alone 孤lonely 求request 败failure
"独孤求败" is a swordsman in Jin Yong(金庸)'s novel《笑傲江湖》
Group C
Fengzi
"疯子"(crazy guy/mad man)
cnRain
aka "little god Rain"(小雨神),becaus we call kr Rain “the god of rain ”.
cnRain is the youngest Chinese player
BusTerran
just BusTerran
Terran sounds like Teleng(“特冷” too cold),so maybe Mr. bus doesn't like taking the bus.
XuanXuan
His name is "Zhao Hao Xuan".
Xuan(轩) means dignified/imposing(气宇轩昂).Hao Xuan(昊轩) this word is often used in men's names.
Group D
XiaoShuai
"小帅"(Little Handsome /young marshal)
“帅” has two meanings in Chinese.XiaoShuai looks like Soma,So I guess it should be the former.
Mihu
"迷糊"(confused),sometimes to describe someone who has just woken up.
But sure,in game,confusion is for his opponent.
LCYDH
His name is Yan Dong Hai(颜东海),so the id should be LC.YDH(LC maybe his clan).
We call him "Shen Huang DongHai"(Protoss God East Sea)