*trying*
1. tvxq
2. Suju
3. Exo
4. Bap
5. Bigbang
6. Block B
7. Shinee
8. Shinhwa
9. Infinite
10. Mblaq
11. Beast
12. Cnblue
13. Ftisland
14. Trax
15. Sm the ballad
16. Myname
17. God
18. Btob
19. Nu'est
20. Ledapple
21. Ss501
22. Supernova
23. Ze:a
24. 2pm (with Jay)
25. 2am
26. Tritops
27. Dynamic duo
28. Mighty mouth
29. Dalmatian
30. Rain
31. Boyfriend
32. B1a4
*is stubborn not to mention girl groups*
33. Ukiss
34. Se7en
35. Lee seunggi
36. Teen top
37. Hyun Bin
38. Haha
39. Hot
40. *almost there!!! Thinks more* FCuz
41. Apeace
42. DNA
43. AA
44. MIB
45. BOM
46. FIX!!!
47. Lessang!!!
48. Seo Taiji & boys! *how could i forget?! XD*
49. Ajax
50. *aish. Can't remember the others. Just one last...* Ah! Xing!

*does celebratory dance* I didn't mention a girl, right?

To the person below: u forgot jay park and block b c:

I aslo forgot C.N. Blue and FT Island

SHINee, SNSD, f(x), Super Junior, Gummy, Rain, BoA, Chocolat, Infinite, After School, Orange Caramel, Co-Ed School, U-Kiss, Brave Girls, Boyfriend, AA, ZE:A, BAP, Big Bang, IU, Lee Hyori, 4Minute, T-ARA, KARA, B1A4, Teen Top, Sistar, Secret, EXO, Kangta, SS501,2NE1, Psy, Wonder Girls, Miss A, 2PM, 2AM, TVXQ, JYJ, Baek Ji Young, LED Apple, 5Dolls, Supernova, A Pink, Raina, Se7en, Davichi, Dal Shabet, Noel, NU'EST, MBLAQ, B2ST