Kars is a primary antagonist in the "Battle Tendency" arc of the anime series JoJo's Bizarre Adventure. He is the leader of the Pillar Men, an ancient race of super-powered beings. Kars is driven by his ambition to become the ultimate life form by obtaining the Red Stone of Aja, which would allow him to perfect the Stone Mask and gain immunity to the sun's rays. His intelligence, strategic mindset, and combat prowess make him a formidable opponent for the series' protagonists. Kars' ultimate goal is to achieve perfection and supremacy over all living beings.