You can see for yourself by finding his key. It's in Rockhopper's journal at the Bookshelf. It is located on the last page. If you want to know more about Rockhopper, read his journal.
Its called the migrator
Hes saying to himself is that yarr/puffle but it isn't and he is getting distracted by pizza. Im called xxsally1637 on clubpenguin Hope this has helped
It opens the lock to the door that leads to the Captain's quarters in Rockhopper's ship, and it is a club penguin pin.
No one knows
It is already fixed.
it is on his chin
Its in rock hoppers ship
in rock hoppers journal
I don't think you can even get Rockhopper's password on club penguin. All sources except for club penguin itself are fake, their passwords are not correct. And obviously club penguin won't tell you Rockhopper's password.
Migrator
As far as I know, Rockhopperdoesn'thave a son.(as of 2013)
Name:rockhopper1000 pass:***********