He raised his hand in a silent hello, but his face held a mangled frown as he stared at Vittiore.
past tense: mangled; past participle: mangled
1. destroy or severely damage by tearing or crushing.
"the car was mangled almost beyond recognition"
(synonyms: mutilate, maim, disfigure, damage, injure, crush, crumple)
2. ruin or spoil (a text, piece of music, etc.).
"he was mangling Bach on the piano"
(synonyms: spoil, ruin, mar, mutilate, bungle, mess up, make a mess of, wreck; informal murder, make a hash of, muck up, screw up, butcher)
"he's mangling the English language"
So. I have to ask. What the hell is going on with this guy's face? Does he need a doctor, or did he somehow screw up the whole frowning thing? O.o