Guy groups:

Super Junior: Heechul. Sungmin. Henry.

SHINee: Key. Taemin.

B1A4: Gongchan. Jinyoung. 

2AM: Jokwon.

2PM: Wooyoung. Junho.

Big Bang: Seungri.

ZE:A: Kwanghee.

FT Island: Hongki. 

CN Blue: Yonghwa.

DBSK: Changmin. Yunho.

Boyfriend: Jo Twins.

U-Kiss: Kiseop. Kevin. Dongho.

Teen Top: Niel. Chunji. Ricky. L.Joe. Changjo. CAP. =3

Dalmatian: Jisu.

SS501: Jungmin. Hyunjoong. Youngsaeng.

BEAST: Yoseob. Hyunseung.

Block B: Zico. Jaehyo. Ukwon.

DGNA: Mika. Karam.

F.Cuz: LeeU.

Infinite: Sungjong.

MBLAQ: Seungho. Leejoon. Thunder. Mir. G.O. :D

Girl groups:

2NE1: Park Bom.

f(x): Sulli.

4Minute: Hyunah. Sohyun.

SNSD: Tiffany. &nd all. C:

KARA: Seungyeon.

T-ARA: Qri. Jiyeon.

After School: Nana. Raina.

Secret: Hyosung.

Girls' Day: Sojin. Minah.

miss A: Jia. Suzy.

Solo:

G.NA

IU

Kan Mi Yeon

Rain Bi

Se7en
and probably more I'm forgetting :>
 

Shipping:

KyuMin

EunHae

3MIN

JongKey

IUSeob
Milky Couple
Chunjoe
Taelli
Rickjoe
Sunsun

.. and a whole lot more >:3