Knives Millions is the primary antagonist in the anime and manga series Trigun. He is the twin brother of the protagonist, Vash the Stampede, and is also a Plant—an artificial being with immense power. Knives harbors a deep hatred for humanity, believing them to be inherently destructive, and seeks to eradicate them. His actions and ideals are in direct opposition to Vash’s, leading to a complex and intense sibling rivalry. Knives’ intelligence, charisma, and formidable abilities make him a formidable foe throughout the series.