Many penguins around the island of Club Penguin are busy working away at earning their stamps. While I was doing the same thing, something mysterious came upon my mind.
If you view the Character stamps category, you will notice all of the Club Penguin mascots. However, if you look closely, you will notice Sensei is missing.
Is Sensei missing on purpose? I am very interested to see if this was a mistake, or it was ment to be. Comment your thoughts and theories.