unnatural hands, 
bent fingers,
fused fingers, 
disfigured hands, 
mutated hands, 
bad hands, 
too many fingers, 
extra fingers, 
missing fingers,
fused limbs, extra limbs, malformed limbs, 
long arms, 
cloned faces, duplicate faces, 
crooked face, cross eyes, 
bad anatomy, bad proportions, gross proportions,
distorted, incorrect, deformed, missing arms,
missing legs