What would be a good name for a band of assassins?

In my story (it's a historical fiction) there is a wandering band of assassins, sort of like a mercenary group for hire. They also can act as bodyguards and escorts if they pay is good. There are twelve of them, so a relatively small group. I figure they need some sort of name because they have a pretty good reputation (good for assassins, anyway). What would you suggest? If I use your suggestion I'll be sure to give you credit for it in my story ^^