Forum:Dead NPCS

So, I did almost everything in the game then the last think i have to do is kill the wall of flesh... but I don't have guide anymor... ( I know everyone say he spawn again at home...) but I never build a home... he and some others npcs died before I build a home for them... will them spawn somewhere in the amp again, r i lost them forever? Guide spawned when i created the world... where wil he spawn now??