3D, 

Absent limbs, 

Additional appendages, 

Additional digits, 

Additional limbs, 

Altered appendages, 

Amputee, 

Asymmetric, 

Asymmetric ears, 

Bad anatomy, 

Bad ears, 

Bad eyes, 

Bad face, 

Bad proportions, 

Beard (optional), 

Broken finger, 

Broken