Two faces, 
Belly, 
Disfigured, 
Deformed, 
Ugly, 
Duplicate, 
Mutilated, 

Extra limb, 
Missing limb, 
Floating limbs, 
Disconnected limbs, 
Poorly drawn hands, 
Poorly drawn feet, 
Poorly drawn face, 
Malformed hands, 

Grain, 
Low-res, 
Tiling, 
Out of frame., blurry, bad anatomy, extra limbs, poorly drawn face, poorly drawn hands, missing fingers