Entity 303, allegedly called MAKEAWISH in the source codes, is a Minecraft hoax that originated on Youtube in the Summer of 2014. It supposedly haunts Minecraft, seeming to prefer servers (as opposed to Herobrine, who primarily haunts single player worlds).

Is entity 303 a hacker?

Entity 303 was a hacker who was infamously noted for his habit of hacking accounts and destroying worlds. Eventually, he was captured by Hypixel and imprisoned inside another dimension.

Why was entity 303 fired?

Entity 303 is a former Mojang employee who was fired for unknown reasons, and wants to get his revenge on Notch for firing him by destroying Minecraft and tormenting its players. Entity 303's physical appearance consists of purely black skin, a white parka and glowing red eyes. He was created by TheSpeed179.