Underdue

Underdue (アンダーズー) is a pirate and the first mate of the Shooting Star Pirates and a former agent of the World Government.

Due to his extensive knowledge over the works of the Marines and the Government, as well as their capabilities, he contributes greatly to his pirate crew's power and potencial, capable of countering most of the threats the latter may pose. He has a bounty of 311,000,000 for betraying the World Government and leaving the organization with top-class, sensitive and confidential information that was shared with his pirate crew.