Who are Luffy's key crew members and their abilities?

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Straw Hat Crew and Their Powers

1. Monkey D. Luffy (Captain) — Rubber-based combat from the Mythical Zoan Human-Human Fruit, Model: Nika (formerly known as Gum-Gum Fruit); uses multiple “Gear” transformations and all three types of Haki.

2. Roronoa Zoro (Swordsman / Combatant) — Master of the Three-Sword Style; extremely durable, strong, and also wields all types of Haki at advanced levels.

3. Nami (Navigator / Thief) — Expert weather manipulator using her Clima-Tact and upgraded weather-based technologies; also handles navigation, finance, and cartography for the crew.

4. Usopp (Sniper / Inventor) — Skilled with long-range weapons and diverse ammo types; uses Observation Haki for sniping; known for ingenuity and tactical deception in battle.

5. Sanji (Cook / Martial Artist) — Specializes in powerful leg-based fighting style; doesn’t use Devil Fruit (though briefly had tech gear); adept at Haki, great physical strength and agility.

6. Tony Tony Chopper (Doctor / Zoan User) — Has the Human-Human Fruit so he can transform between forms; his medical skills are vital, and his Zoan transformations give him diverse shapes for combat and support.

7. Nico Robin (Archaeologist / Historian) — Eats the Hana Hana no Mi, allowing her to sprout limbs anywhere; exceptional agility and strength even without fruits; also crucial for researching Poneglyphs.

8. Franky (Shipwright / Cyborg) — Modified his own body with mechanical enhancements; builds and repairs ships; uses powerful tech-based weaponry and augmentations.

9. Brook (Musician / Skeleton) — Revived by the Revive-Revive Fruit (Yomi Yomi no Mi); skeleton body with soul-based powers; music often weaponized in combat.

10. Jinbe (Helmsman / Fish-Man Warrior) — Former Warlord and Fish-Man Karate master; uses Armament and Observation Haki; excellent helmsman and deep knowledge of currents; physical strength especially high in sea combat.

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If you'd like, I can also include “honorary” members, past crew, or lesser-known allies, plus how each one measures up in special arcs.