Buchi

Buchi (ブチ, Buchi, romanized as "Butchie" in the English versions) along with his fellow pirate Sham, are the two lookouts of the Black Cat pirates. They are also known as the Nyaban Brothers (ニャーバンブラザーズ, Nyaaban Burazaazu). Source: http://onepiece.wikia.com/wiki/Buchi