1

In the Brazilian subtitle, he was first called as Ruffy, but in the half of Enies Lobby/Water 7 Saga he started being called as Luffy, so I'm interested in knowing what is his name.

2

His name is Luffy. You better know his name when he becomes King of the Pirates!

We have discussed the difference with regard to pronounciation on this site before.

  • Note that I answered this rather than marked it as a duplicate because this question is about spelling, not pronounciation. It is not, therefore, a true duplicate. – kaine Jul 8 '14 at 12:38

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