The answer
Monkey D. Luffy. Lucy is the alias used by him in the Dressrosa colosseum tournament.
Ch. 789, p. 13open pagesettled: yes
Key facts
- First raised
- Ch. 704
- Status
- Settled · Ch. 789
How we know
Chapter 789 · updated
Lucy in One Piece is the alias used by Monkey D. Luffy in the Dressrosa colosseum tournament. Luffy registers and fights under the name Lucy while wearing a mask and cloak to hide his identity. ch. 704, p. 11 The crowd later learns the truth when the announcer Gats declares that the person under Lucy's mask was Straw Hat Luffy. ch. 789, p. 13 Citizens recall Lucy taming a murderous bull, defeating a giant, and shattering Don Chinjao. ch. 789, p. 11 Rebecca calls out for Lucy to save her during the crisis. ch. 789, p. 12 "OH YEAH, I'M LUCY." ch. 704, p. 11 "HIS NAME IS... LUCY!" ch. 789, p. 12 "IN TRUTH, LUCY IS ALSO KNOWN BY ANOTHER NAME!" ch. 789, p. 13 The manga states outright that Lucy is Luffy's temporary gladiator identity.