extra limbs, 

missing limbs, 

blurry, 

glasses, 

hat, 

jewelry, 

cross-eyed, 

abnormality, 

grainy, 

bad anatomy, 

ugly, 

out of frame, 

facial hair, 

cartoon, 

mean face, 

poorly drawn, 

disfigured, 

tattoos, 

missing fingers, 

watermarks