missing fingers, extra fingers, 

fused limbs, extra limbs, malformed limbs, 
fused fingers, 

unnatural hands, disfigured hands, mutated hands, bad hands, too many fingers, 

long arms, 
cloned faces, duplicate faces, 
crooked face, cross eyes, 
bad anatomy, bad proportions, gross proportions,
distorted, incorrect, deformed, extra limbs, missing arms,
missing legs