Talk:Goblin Tinkerer/@comment-24659123-20140315120747/@comment-4511886-20140619092525

It's a common bug. It usually happens on multiplayer servers, but can rarely happen in singleplayer. It's usually solved by letting some time pass with the NPCs offscreen. And NPC names don't actually do anything, all NPCs are completly unaffected by their own, or others, names.