the BIG S is in the word diSco on the nightclub
where the big letter "S" is ,that's the nightclub
Go to the town and look at the nightclub. There will be a swirly S towards the right of it. Enjoy!
Go outside of the disco and then you're phone will light green and answer it.
Your Spy Phone Will ring. If This doesnt happen walk back and forth to the big letter S (The S is At The diSco Outside The NightClub...) Then Solve The Puzzle.
Go to town and on the outside of the night club on the word disco on the outside
if you are on about the first epf field-op mission, the big 'S' is in the town under the nightclub sign, where it says disco.
it means her club penguin account
The giant "s" on club penguin is the one on the night club. If you are on the field-op, you have to click on the disk below the s.
you make your penguin
Undefined means Club Penguin can`t explain the other penguin`s name.
If you go to the Town, look at the front of the nightclub and it says 'Disco' on the front of it. Go up to the big curly S and your spy phone will ring. Complete the task. And there you have it. :D Hope this helped some people! :D