The Secret Club is Moody Margaret's secret club.
There are four members in the group, all of them girls (with the exception of Peter), They are, along with there jobs:
- Singing Soraya
- Moody Margaret - Leader
- Sour Susan - Chief Spy and biscuit bringer
- Gorgeous Gurinder - Spy and biscuit bringer
- Lazy Linda - Biscuit bringer
- Perfect Peter - Spy/Teller (formerly)
- Nasty Nicola
Susan is often fired or she quits. She also once betrayed Margaret. Linda and Gurinder are not seen much either. Perfect Peter once betrayed Henry for replacing him with Ralph and revealed his top secret plan to Margaret.
The main headquarters in the books is a tent in Margaret's back garden. In the TV Series, it is a treehouse in the tree in Margaret's garden. bbss
- In the books, the flag is a red one with a white dagger on it. In the TV Series, it is a black flag with a white skull and crossbones, the very flag that the Purple Hand Gang have in the books. It also seems familiar to a Pirate Flag