Sulfur Network: Class-H Entities

Class-H entities are player-like entities that can join and interact with worlds (they generally behave like players in that regard) and influence game instances. They vary in behavior, and many behave like people (like Sojourner). The prototypical class-H entity is Herobrine. Class-H entities exist solely within the game - any claims of their presence as real people (such as the common misconception that 303/Sojourner is a fired Mojang employee and his team) are false. A Class-H entity renders like a mob instead of a player, lacking a name tag. There are many class-H entities known and many more candidates. Here are three major ones:
Sulfur Network - Document #1
HEROBRINE
'Herobrine' is the name of a class-H entity first sighted on August 15, 2010, which appears as the Minecraft "Steve" skin with empty eyes (in 1.20 snapshots, his skin changed to a modified version of the new Steve texture).
Personality
Herobrine is somewhat oblique socially, often misinterpreting or not understanding social cues. He seems to express himself artistically in strange ways, mainly in the form of odd, seemingly pointless structures in worlds he visits.
Abilities
In large part, Herobrine behaves like a Minecraft player character. He also has access to the forums, though any attempts to view his profile there will result in a 404. Additionally, he has the ability to join any world he wishes, including singleplayer worlds and whitelisted servers.
History
Herobrine was first spotted on August 15, 2010 by victorfran317, and then on the 30th by Copeland. Fan interpretations of Herobrine have portrayed him as somewhat of a malevolent entity.
Relations
Herobrine's current relationship status with Null and Entity 303 is unknown. While they were enemies historically, the disappearance of Null and 303 after the 1.8.9 update in December 2015 and the recent Sojourner developments mean the relationship may be different now. Herobrine is also related to Eret from the Dream SMP.
Disc 11 and 13
Despite interpretations of the numbered discs often including Herobrine, he has confirmed that he has no involvement with the discs. The monster is instead likely a warden or creeper.
Sulfur Network - Document #2 - Null
- access denied - 
Sulfur Network - Document #3 (Stop changing the document number to 303, Sojourner, that's not funny) - Entity 303 / Sojourner
NOTE: PARTS OF THIS STORY ARE FROM THE ENTITY 303 PAGE. CREDITS TO THE AUTHORS OF THAT PAGE FOR 303 INFO
Entity 303 is a class-H entity going by various usernames such as "303mojang.com303" and "player.number:303" in chat (though, like all class-H entities, no username shows as a nametag). 303 appears as a white ghostly figure with red eyes, and if he and Sojourner are the same, appeared with a glitchy appearance and a torn tunic instead of a cloak for some time[when?]. 
Personality
Prior to his disappearance, 303 seemed to have a violent and destructive tendency, going out of his way to grief worlds and allegedly planning to destroy Minecraft by the end of 2015 (but disappeared before his supposed plans could be put into action), but for unknown reasons is approachable and friendly as Sojourner, though he does still make use of his abilities to an annoying extent - the Sulfur Network team have decided to 'just leave him alone' unless he starts behaving malevolently again.
Abilities
303 can hack into worlds and corrupt them, and was also able to access Skype through the log4j vulnerability while it existed, and can still access Discord and other computer programs and functions while in worlds in older versions, which is one of the ways he communicates online. He demonstrates similar abilities to Herobrine in that he can join any world at will, however he has some additional inherent game-breaking qualities. It is believed that he also modified Frankie's email to Speed.
Relations
Herobrine was a known enemy of 303 pre-Sojourner, as evidenced by signs placed by Herobrine asking for help. While no relationship between 303 and Null was observed, Null was spoken to and specified that all three major class-H entities knew each other. Lots of destruction blamed on Herobrine was actually caused by the lesser-known 303.
History
This is an annotated and recovered version of Frankie's original account of playing with Vincent, John, and Brady on December 10, 2013, before alterations by 303.
One day, we all were in a group Skype chat and we were working on a huge survival city that we were in the process of building for at least 8 months. We were really proud with how it turned out. It was located in a desert, so we appropriately named our city “Drybones.” All of a sudden, while we all went to grab supplies to finish the hotel that we were working on, John noticed something strange in the chat. The only plugins that we had on the server were Essentials, along with some plugin that Brady found called “SocialSpy.” Thanks to SocialSpy, it seems that someone named “player.number:303” used the command “/stop.” Now, John suffers from major anxiety. I’ve known him since preschool, and he’s always been a really insecure person, so when he saw that a so-called “nonexistent player” tried to shut down the server, he immediately thought that it was a hacker. At first, I thought it was just a bug or something and that he was being paranoid, but I reminded myself that this was a private server. I set up the plugins for him and such, and I kept his server whitelisted, since he didn’t know how. There was no way anyone could join except us.
I checked the server control panel, and it showed we were the only ones on the server. (Entity 303 doesn't show as a player in the game.) I was getting a bit confused. We all decided to just ignore it and continue on with our survival. It’s about 20 minutes in, and I’m walking with Vincent to the nearest forest to grab wood, which wasn’t very near at all. All of a sudden, we see a white figure in the distance of the desert. It appeared to be in the model of some type of ghostly figure, with what I could barely make out as red eyes. I quickly took a screenshot and ran after it.
Vincent left the server and the Skype call, likely in panic. By now, Brady is just ignoring us and concentrating on the hotel, and John is freaking out. I can hear the shakiness of his voice.
Suddenly, my screen starts glitching. It’s not normal for Minecraft to bug out like that. It looked like it was corrupted or something. (A more detailed later account by Frankie says it resembled the way Optifine glitched at high distances in old versions of Minecraft.) If that’s not bad enough, the chat starts spamming “Object successfully summoned” by “player.number:303.” (Upon recovery of the world, the objects summoned were pigs, located at the top of the tallest tower in Drybones.) I look at the skype chat, and realize that someone has joined the call. It does not have a username, nor did we get any notification of someone getting added to the call. John’s just watching this all happen. His voice is shaking, and I can hear him sniffling. Honestly, I was starting to get a little freaked out myself. Brady seemed to leave the call and disconnect from the server, possibly out of boredom. I’m trying to calm John down, but he simply repeats “I CAN’T TAKE THIS. THIS IS TOO MUCH FOR ME.”
The anonymous skype caller finally puts facecam on. It’s too dark to see anything. John gets too overwhelmed and leaves the call and server. I don’t blame him, if he stayed any longer, he’d probably have a mental breakdown. It’s just me and this anonymous player. I ask if there’s anyone there. I hear a faint voice saying something like “MAKE A WISH.” It was faint, yet it sounded like a voice changer. I decide to switch on Minecraft to see if the player is there. The chat spams with “FILE OVERLOAD” in red text, along with “MAKE A WISH” in gray text. I suddenly get poisoned with a potion of blindness. I then lose my ability to move. I can’t even exit out of Minecraft. This player then runs up to me. It seemed to have a ghostly skin on, with red eyes and a white parka. The skype call drops and somehow exits out by itself, and the player runs up to me and hits me. My computer then shuts off.
Additionally, here is a sighting by Speed that happened later, on December 13:
I was playing with some friends on XBOX 360, playing Minecraft and we were in creative mode building a big city. The world was also on peaceful mode. We were all having a good time until somebody's house started burning.
Now, of course, we had all heard of griefers, but in fact we were blaming everyone. In fact, another house started burning as well. We blamed the host using his host privileges. However, we were WRONG.
We all decided to investigate what was really going on. We all went to a house together, (including the host) only to see the most scariest thing happen.
We looked through the windows to see TNT go off by itself somewhere in the distance. We were all starting to get scared, and would get even more scared.
We then began to look around houses and most of them were on fire. There was nothing that could set these houses on fire, and fire spreads was off, so was TNT. I tried to believe the host that TNT and fire did not work.
Once more, crap started happening when we were all together, including the host. No one was missing in the house. I counted heads and we were all together. But stuff was happening and we couldn't explain it.
To my surprise, we started finding signs and TNT going off again. It was too much. I plugged a cable into my Xbox and into my computer. I opened up a program used to read the source codes that were going on. To my surprise, the source codes described this entity as "303".
My source codes soon started getting out of control. Weird "303" entity codes were showing up and I couldn't stop them. My computer was being overwhelmed with this! I tried to find out who was causing this, but I just couldn't. Just 303 did this and that, nothing else. Nothing.
But not everything was caused by him. The host started trolling us to scare us as well. it wouldn't be a secret for long. The source codes told me everything that was happening INCLUDING what the players did, and me as well. But then the source codes were done. They were surely DONE for it.
No matter how hard I tried, I couldn't figure out what was happening. But the source codes soon spelled out the words "Make a Wish". I thought this was the host, but then started blaming everyone again. As you can see in the source codes I highlighted everything that the entity 303 did. Block 1241 is TNT. Item 3213 is Flint and Steel. Block 4 is wood. And also in the RAR of the world, I highlighted "MAKEAWISH" as I said earlier. This list went on and on, completely busting my computer. But one question remains: Is This Herobrine? 
Additional information:
The Drybones world was ultimately recovered and transferred to a server hosted  by Speed to attempt to protect from 303, which was called the Sulfur of Immunity. Speed and the group of 4 original players continued playing on the server until it was eventually opened to the public and became the Sulfur Network.
There have been many more sightings after this one. The most recent encounter by a Sulfur Network team member prior to the Sojourner developments is when on July 7, 2014, Speed was Skype texting with Vincent (3DVincent). In the middle of the conversation, 303 hacked his computer.
Signs
303, like other class-H entities, often leaves signs of his existence, such as birch wood in oak trees, fire in the sky, random cobblestone where it is not supposed to be, upside-down crosses, files with 303 in them, and, as of the Sojourner developments, strangely, castles.
Additional
Entity 303 additionally said on December 13 that the players have 5 weeks to train because the war (no war actually occurred) would be in 5 weeks. Someone appearing to be 303 (later identified to be a fake) said to look out of your window at night because he said you will see him eating children and spitting out their bones (something that we now know is impossible given 303's nature).
Teams
Entity 303 could not be 'beaten' just by fighting alone. So, some people created teams. The team leaders recruit members over the internet to fight Entity 303. Thespeed179's team, now known as "the Sulfur Network head admins", is the first one. As of now, given the Sojourner developments, most teams have either dissolved or consolidated with the Sulfur Network.
Sojourner
It is known that Sojourner is a class-H entity due to him showing abilities common to them (like joining singleplayer or whitelisted worlds). It is widely accepted that him and 303 are the same and that he is not pretending to be 303 (partially due to his shared preference to use log4j exploit to access other computer programs, for example Discord (Sojourner303#9524) yes I literally created a dud account for this). However, his personality is very different from the original 303, being friendly and somewhat cowardly (an anonymous person has described him as 'playing weak'). This suggests a sort of corruption, which lines up with Sojourner's experience and notably coincides with the release of 1.8.9.
(Bonus!)
Sulfur Network - The Sojourner Developments
On November 31, 2021, someone by the name "Sojourner.303" joined near thespeed179's base on the Sulfur Network claiming to be Entity 303. Speed denied the claims as Sojourner being a fake partially due to Sojourner joining the Sulfur Network server, which Entity 303 supposedly had no access to. Despite this, Sojourner presented Entity 303's backstory in surprising detail, notably excluding the suicide section of the story commonly posted online (which is known to be false by the Sulfur Network crew). As time progressed, more evidence surfaced in favor of Sojourner and 303 being the same, such as Sojourner able to rejoin servers that he was banned from, the alignment of Sojourner's claims of the objects summoned in the original story with an analysis of the world, and Sojourner showing the 'screen glitch' ability from the original 303 story. Currently, as of October 31, 2022, Sojourner and his cohort Tenebris (tbfinallyhasaname1) are believed to be 303 and Null, though something has clearly changed their personality and Tenebris' appearance, in light of 303's less destructive nature. Also of note is that 303's name changes every update - currently, as of the 1.20 snapshots, it is SojournerHasBeenBanned303Times.
Category:Entities
Category:Supernatural