People who get scared easily beware.
Here is how the story took place.
Now, aside from the awfully long picture you can have a real Herobrine in your Minecraft experience!
Just download this mod :
HERE.
In order to summon him you must first build a shrine (one soul sand surrounded by bone) and just wait as he spawns lava and other useless blocks plus he can take away all you items. You can't sadly kill him and neither can he.
I also forgot he would make a great member to our community.