Null is a mysterious dark entity that doesn't talk much, when he does talk he it's really creepy. Herobrine is a ancient ghost entity that stalks and kills players, doesn't talk much. Entity303 is a ghost-like entity with a scythe that wants to destroy Minecraft, he says MAKE A WISH a lot. ERROR422 is a entity that doesn't talk, he only corrupts everything around him. Billy is a dark demonic entity that is sometimes friendly. Greensteve is a ghost/entity that stalks players, and sometimes kills.