Shoujou  

Sonar King, ショウジョウ

Shoujou is Masira's brother and follows Montblanc Cricket. He shares their love for the fairy tale about Montblanc Norland, his ancestor. Initially, he has a hostile relationship with the Straw-Hats, causing them to retreat after a sound attack nearly destroyed Going Merry. However, after meeting Cricket, Shoujou and Masira become more friendly with the Straw-Hats and assist in modifying the Going Merry for travel to Skypiea.