blurry, distorted, low resolution, unnatural lighting, unnatural proportions, exaggerated features, uncanny valley, poor detailing, unrealistic textures, flat lighting, lack of depth, excessive noise, overexposed, oversaturated, underexposed, lack of realism, artificial appearance, unnatural colors, pixelated, lack of authenticity, unrealistic shadows, jagged edges, lack of emotion, stiff pose, lack of expression.