Poor image, unconvincing expression, faded colors, poor lighting, poorly defined details, lack of emotion, lack of realism, inconsistent style, lack of depth, poor execution, poor quality, lack of texture, lack of focus, amateurish look, lines flickering, poorly rendered shadows, unpleasant color palette, distorted face, disproportionate, elements out of proportion, lack of detail, lack of expressiveness, rudimentary drawing, forced poses, excessively strong lighting, lack of shadows, lack of cohesion.