One Piece Chapter 31, page 13-14: THE TRUTH

The two figures land gracefully on the shore. The man with heart-shaped sunglasses greets them: "HELLO, NYABAN BROTHERS". The two brothers are introduced: Buchi, a large, chubby man with cat ears, striped pants, and a bell around his neck, who asks, "WHAT'S UP?"; and Sham, a slim, hunched man with green hair, cat ears, a bow tie, and sharp claws, who asks, "CAPTAIN, YOU CALLED FOR US?". Caption boxes identify them as "KURO NEKO'S PIRATE CREW: SHIP GUARDIAN BUCHI" and "KURO NEKO'S PIRATE CREW: SHIP GUARDIAN SHAM".

From the top of the slope, Nami and Usopp watch the newcomers in surprise: "WHAT ARE THEY? WOW... JUMPING FROM SO HIGH... THEY'RE LIKE CATS...". Zoro remains silent and focused. The captain points toward Zoro and commands, "BUCHI, SHAM... WE COULDN'T PASS THROUGH THIS SLOPE......BECAUSE THOSE GUYS ARE BLOCKING OUR WAY! NOW GO AND DESTROY THEM!" Buchi and Sham immediately act terrified, trembling and stammering, "WHAT?! HOW CAN WE... BUCHI, WE CAN'T BEAT THEM... YEAH! THOSE GUYS LOOK REALLY STRONG!