8 Responses so far.

1. 

   Anonymous says:

   August 8, 2009 at 8:59 PM

   Nichkhun? LOL.

2. 

   Anonymous says:

   August 8, 2009 at 9:17 PM

   taecyeon?

3. 

   振毅 says:

   August 8, 2009 at 10:26 PM

   Could be Shin Dong even.

4. 

   Anonymous says:

   August 8, 2009 at 10:29 PM

   junho ^^

5. 

   Anonymous says:

   August 9, 2009 at 1:02 AM

   Donghae or Eunhyuk

6. 

   Anonymous says:

   August 9, 2009 at 1:22 AM

   Mc mong

7. 

   Anonymous says:

   August 9, 2009 at 6:47 AM

   it's MC Mong,lol...man i love the performance..

8. 

   tina_cute says:

   August 9, 2009 at 9:33 PM

   leeteuk or maybe jaeboom or nichkhun....
   hahahaha

The 2PM and SHINee boys – TaeMin, Key, TaekYeon, WooYoung and another secret member were seen practising in the practice room for their special stage for the Project GirlGroup performance on SBS Inkigayo on 9th August.

Who will the UNKNOWN be?
Mind to make a smart guess??