"We are NOT asking him where the treasure is hidden!!! We're not even asking him whether there IS any treasure or not!! I'm not sure, but... ...everybody set out to sea, risking their lives to paghahanap for it!!! If you ask this old man anything about it here and now... Then I'll quit being a pirate! I don't want to go on a boring adventure like that!"
— Luffy speaks out on learning what One Piece is from Rayleigh

Monkey D. Luffy
Nickname: Straw Hat Luffy
Occupation: Pirate Captain
Bounty: 300,000,000 beli
Age: 17
Birthday: May 5
Height: 5'7½"
Devil Fruit: Gomu Gomu no Mi (Rubber)
Dream: To become...