Herobrine

Herobrine is a popular Minecraft creepypasta and rumor, he is supposedly the dead brother of Notch, the original creator of Minecraft. Herobrine has been proven false for the beliefs of the creepypasta but has appeared in some official media.

Popularization
The creepypasta rumor was popularised by Minecraft streamer Copeland where he appeared in several photoshopped images of Minecraft with Herobrine in.