One Piece Chapter 1.2, page 39: Romance Dawn (Version 2)

Luffy lands squarely on Balloon's back right behind Spiel, casually waving: 'YO.' Spiel turns around and screeches in absolute shock, 'WHAAAT!!?' Luffy smiles, 'I ENVY YOU FOR BEING ABLE TO FLY.' Spiel panics, 'WHERE THE HECK DID YOU-!? D-DON'T GET ON!!!' Luffy grabs Spiel by his hat and hair, pulling him back: 'HEY!'