William Henry "Bully" Hayes (1827 or 1829 – 1877) was a notorious American-born ship's captain who engaged in blackbirding in the 1860s and 1870s and whose arrival on any Pacific Island would cause islanders to hide in fear of being kidnapped and shipped off to be a labourer on some distant plantation.Hayes operated across the breadth of the Pacific in the 1850s until his murder on 31 March 1877 by his cook Peter Radeck, or "Dutch Pete".