One Piece Chapter 3, page 11: Chapter 3: Enter Zolo: Pirate Hunter

Suddenly, the courtyard gate opens and Helmeppo, the son of Captain Morgan, enters flanked by two Marine guards. Luffy and Koby watch from the wall, wondering who this strange, eccentric man is. Zolo mockingly calls Helmeppo an "idiot son living off daddy's wealth," prompting Helmeppo to angrily warn Zolo to watch his tongue.