Funamushi

is a pirate from the Funato Clan.

Great Sea Battle of Kirigakure Arc
Funamushi accompanies Seiren Funato to the "island of traitors", where her younger brother Ikada had settled after leaving the clan.

Trivia

 * Funamushi is the Japanese translation of the Ligia exotica, a type of isopod of the Ligiidae family.