Nito Hakaou, also known as Gravelord Nito, is a major antagonist in the video game Dark Souls. As one of the four beings who first found the Lord Souls, Nito is the master of death and the undead, ruling over the catacombs and the Tomb of the Giants. He commands legions of skeletons and spreads death throughout the world. Nito is a formidable and iconic boss, embodying the game's themes of decay, mortality, and the cycle of life and death.