Those invincible little shits in the wasteland that can't die even if you shoot them with a fat man. (unless you has mods) but you can enslave the little fuckers
Child: hey mr you are a asshole.
Evil bastard. THE FUCK YOU SAID TO ME YOU LITTLE BASTARD *fires gun and does nothing*
Evil bastard: the fuck is this bullshit
Child: haha
Evil bastard: *enslaves and sells kid*