ugly, deformed, noisy, blurry, distorted, out of focus, bad anatomy, extra limbs, poorly drawn face, poorly drawn hands, missing fingers, nudity, Pixelation
Blurriness
Lack of sharpness
Artifacts
Edge imperfections
Excessive compression
Perspective distortion
Color mismatch
Excessive noise
Lack of crisp contrast
Glassy eyes
Unnatural body proportions
Lack of details
Shallow depth of field
Unstable perspective
Overly bright shadows
Halo effect around edges
Plastic-like skin appearance
Color oversaturation
Overly aggressive retouching
Plastic-like object appearance
Uneven lighting
Stiff character poses
Unnatural textures
Distorted facial proportions
Stiff character movements
Improper light distribution
Insufficient resolution
JPEG compression artifacts
Overly sharp edges