Smothering Whispers Island is a large island located in the New World within the Grand Line. There are no humans on the island and it is inhabited solely by a unique group of animals who have gained human-like intelligence and the ability to walk on two legs though how they can still remains a much debated mystery. Two pirates who are known to have originated from this island are Masahi 'Senbon' Mina and Sadow Mina of the White Pirates. According to them, they themselves do not know how they gained intelligence and that the animals within the island has always had such wit for centuries.