(The Christians and The Muslims meet on the playground one day)
Christians: "God is better than Allah, he has laser vision!"
Muslims: "Uh-uh Allah is better, he can fly!"
(they then procede to bomb the hell out of one another)
if you want something more interesting than The French Wars of Religion go back to the Crusades of the middle ages and fight people of a different ethnic group.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi