Oda almost didn't draw Señor Pink's backstory until his editor was moved by it and insisted it be included in the manga.

Eiichiro Oda's One Piece has well-written characters like Kuma ... that so many new manga authors draw inspiration from his work. Eiichiro Oda's One Piece is filled with many amazing characters ...

Author Eiichiro Oda has seen to that himself ... fans can whet their appetites for shonen love stories in more recent works, and as for One Piece's would-be pairings, there is always fanfiction.