means "my faceit name has already been taken"
Mb they should add XX
Is because the name is summed up, the "-" indicate this.
The NBK is from = Natural born killer. Hunther is from ???
Another exemple is KngV-, that is from = King Vito.
because it looks cool B)
Or because it has several meanings - For example hunter uses it when he names himself hNt-, for Hunter, and NBK- for Natural Born Killer, or for NBKing, or for NBicepsK, or for NbeardK...
Probably cuz the thought it was cool
1 hyphen = small