Toshiaki
On some bulletin boards, especially futaba and japanese boards such as 2chan, it is a replacement for Anonymous.
Who's the idiot that posted this flame? Oh, great. "from Toshiaki".
Toshiaki Kawada
Proof that God was a chubby, tenacious, Japanese wrestler who kicked people in the head and face, chopped them in the throat, and stepped on their heads for boston crabs.
Toshiaki Kawada broke my face.