Kappa

Kappa is a young shoeshine-boy in Nanohana.

War in Alabasta
He wanted to join the rebellion against the king. However, Kohza refused to let him join because he was so young and told him that the war isn't for little children like him.

Kappa later fell upon the secret of Baroque Works and learned that the king was framed. But Mr. 1 and Miss Doublefinger attacked him, while he tried to run, to keep him quiet.

Igaram later finds him, and Kappa soon tells all of Alabasta about what was really going on. It was his eyewitness account that officially ended the war.

Two Years Later
He was seen smiling next to Kohza, who became the Environmental Minister of the kingdom of Alabasta.

Trivia

 * "Kappa" (河童) means "river child", fitting since Nanohana is near the Sandora River. It is also the name of a Japanese water demon known for carrying water in an indentation on top of its head (the source of its power); the boy wears a keffiyeh.