Strong rule: style --- Clean 2D stick-figure animation, flat vector art, vibrant high-contrast colors, minimalist backgrounds, smooth character motion, 4K. ---. A prehistoric 2D stick figure representing a caveman ancestor. He is slightly bulkier than the modern character, with a messier silhouette suggesting wild hair and a simple tattered fur wrap around his waist. He carries a primitive wooden spear. The setting is a sun-drenched prehistoric savanna with golden grasses and a wide orange sky. The art style is flat vector graphics with high-contrast earthy tones. He exudes a sense of raw survival instinct and alertness, with wide, watchful eyes. The lighting is harsh and natural, emphasizing his rugged, survivalist energy.
