The popularity ranking of One Piece's characters changed every year because the readers 'love for the characters varied from person to person. But here are some of the most popular characters in One Piece 2011 and their rankings: 1 Luffy (Monkey D Luffy) - 12 2 Zoro- 7 3 Nami- 6 4 Usopp- 8 5 Sanji- 5 6 Choba (Chopper) - 9 7 Franky- 10 8 Nico Robin- 13 9 Brook- 14 10 Goron- 16 This ranking was based on readers 'votes. The readers could vote in various ways, such as reading comics, watching animations, voting, and so on. This ranking wasn't something that only readers could vote for based on their preferences.