Is there a herobrine in Minecraft?Becouse once i saw white eyes in the dark but then i was attacked by an enderman and ended up dying in lava -_-...so i dont know whas that the eyes of the enderman or the herobrine??

There is no Herobrine in the game.

http://www.minecraftwiki.net/wiki/Minecraft_Wiki

Use it an abuse it brotha.

i hope they add him in updates