grain
low-res 
blurry
bad anatomy
extra limb
missing limb
floating limbs 
disconnected limbs
malformed hands 
out of focus 
long neck 
long body 
disgusting 
poorly drawn
childish 
mutilated 
mangled 
signature
draft 
low res 
text 
error 
extra digit
fewer digits
cropped
worst quality 
low quality
normal quality 
jpeg artefacts, text, logo, wordmark, writing, heading, signature