He renamed/server transferred.  This guy was horsing around in Goldshire while I, guards, and other people killed him several times, got him again outside Stormwind, and the last time on top of the gates here.

His bones vanished so I logged over to horde to check for him, since he was from Dentarg, which is merged with us.  He wasn’t online.  Curious I checked his armory:

and today that character no longer exists.  Weird!