Dokuo
    |                                       
    |  ('A`)         *creak creak*              
   / ̄ノ( ヘヘ ̄ ̄     Oh God, what the hell was that
Dokuo (毒男) 
An AA to express lonely, single men.
He always thinks of everybody and everything else as rotten & disgusting.
Typically, he is represented in the above manner,
with creaking and moaning sounds coming from the next apartment.
He has a tendency to develop mental problems and kill himself in the end.
He originated on the 2channel board for single men.