Wordnet 3.0
NOUN (1)
1. 
 a person who mutilates or destroys or disfigures or cripples; 
[syn: mutilator, maimer, mangler]
WordNet (r) 3.0 (2006):
maimer
    n 1: a person who mutilates or destroys or disfigures or
         cripples [syn: mutilator, maimer, mangler]