One Piece Chapter 6, page 13: Chapter 6: Number One

Koby cheers loudly from the sidelines, screaming, "LUFFY!!!! DESTROY THIS LOUSY NAVY!!!" The Marines watch in stunned silence. Morgan quickly recovers from the punch, glaring at Luffy with intense hatred. He sneers, "HMPH! YOU HAVE NEITHER RANK NOR STATUS! I'LL TEACH YOU TO DEFY YOUR BETTERS! I'M CAPTAIN AXE-HAND MORGAN!!!" Luffy simply smiles and replies cheerfully, "NICE TO MEET YOU! I'M STRAW HAT LUFFY!"