FReepublican Guard? Special FReeces?
That one doesn't sound too good ;-)
FReezbollah, FRamas, FReeRepublic Liberation Front, al FReepers Martyr's Brigade, al FReepa, FRee Qaeda, Jamiat al FReezlam, FReemilitia.
We could all change our screen names to Abu, Mohammed, Achmed, OSAMATHENAILER, etc.