1. NK headbutted the middle and the edge a sea
2. Japan headbutted NK, SK and China
3. SK headbutted Japan
4. (Update) Israel is headbutting Lebanon and paving way for headbutting Iran
Perhaps they all had too much of this game (right click to download)?
Or had been to the street of this town?
But of course, we all have our own Rashomon perspective on the same event (click through to see)
serious, some more reasonable comments on headbutting here: IHT/Asahi op-ed, Cato.