Minecraft wiki entry for Herobrine, associated text: Notch posted on Twitter about the subject of Herobrine, early in his popularity boost. In reply to a tweet asking if Herobrine was a real entity in-game, Notch replied saying that he was not, but that there "might be soon".[6] This confirmed there was no Herobrine, but suggested "Notch planned to add him at a later date".