64x64 pixel art character sprite, 2D game asset, male protagonist, post-apocalyptic setting. Very low resolution, chunky visible pixels, no anti-aliasing. Worn leather jacket, messy hair, shoulder armor made of scrap metal, gas mask on belt, backpack. Palette: muted olive green, dusty brown, rust orange, dirty gray, one small accent of glowing cyan (on goggles or a vial). Determined but tired expression. Isolated on transparent or white background. No details smaller than 2x2 pixels. Strong silhouette. Retro game style from 1990s handheld console