Kaido, also known as 'Kaido of the Beasts,' is a prominent antagonist in the anime and manga series One Piece. He is one of the Four Emperors ruling over the New World and is the Governor-General of the Beasts Pirates. Known for his immense physical strength and near-indestructibility, Kaido has a fearsome reputation and is infamous for his numerous attempts to take his own life, which have always failed due to his durability. His ultimate goal is to start the greatest war the world has ever seen.