ugly, 

deformed, 

noisy, 

blurry, 

distorted, 

grainy, 

bad anatomy, 

bad proportion, 

bad art, 

poorly drawn, 

poorly drawn face, 

mutated, 

mutilated, 

morbid, 

missing limbs, 

extra limbs, 

floating limbs, 

fused limbs, 

out of frame, 

low resolution, 

cartoon, 

plastic