1. Captain:
The child of adventure. The best. The most adaptable, most adorable. The supremely creative, ever-wondrous and ever-surpassing in combat. The one and only Prime Monkey D. Luffy!
2. First Mate / Archeologist:
The Ultimate Being that devoured all matter and devils alike. The obtainer of rare magical artifacts, the coward but ridiculously powerful, the darkness of chaos personified. Luffy's Black Mirror. Marshall D. Teach!
3. Combat Division:
The Sufferer from Success himself. The character with best art design ever. The World's Strongest Living Being, Kaidou!
4. Strategist:
The greatest nemesis of Pirate King, whose ambition is to be the World's King. Rocks D. Xebec!
5. Doctor:
My favorite character in One Piece. The most gentle tsundere, overwhelmingly versatile, the tactical and handsome Surgeon of Death, Trafalgar Law! He hates bread!
6. Navigator:
The silent, expressionless giant with the elusive power to send the crew wherever the Captain orders to. Bartholomew Kuma!
7. Dancer/Espionage Division 1:
The secret princess, an elegant woman with the power of Insight Fruit to observe through any critical situation. Princess Viola!
8. Cook/Espionage Division 2:
The peculiar girl able to depict multiple personalities, and the power to manipulate memories. Charlotte Pudding!
9. Provision-Logistic Staff:
The white star who's able to fetch any kind of marines life for the crew's food supply. The pretty crybaby who is also an Ancient Weapon. Poseidon, Shirahoshi!
10. Pet:
Not Chopper.
...it's Yamatoooo!