old grumpy man, beard, wearing a suit, dynamic lighting, upper body, office background, 2D flat, colored illustration, graphic novel style, cross hatching, inked, comic style, sharp, extreme detailed, HD, HDR, 4K, masterpiece, high quality, high resolution, breathtaking, award-winning, professional

anime, manga, hentai, 3D, painting, photorealistic, cartoon, greyscale, muted colors, RAW, Cel shading, blurry, low quality, low resolution, deformed, noisy, distorted, pixel, low detail