Cereal Guy is a character made by Bob Averill/Lego_Robot on Something Awful.
It's commonly used on image boards and discussion forums as a multi-purpose reaction face. He also has a bowl of cereal in his hand. He is also known to be seen on Memegenerator.com on the original website version, and also as seen on the app version as well. This meme has appeared several times on Rage Comics and is also popular amongst people on the internet. Since then, the meme has became slightly popular on Rage Comics and also on Reddit and Tumblr as well. This character was made by Lego_Robot on the social media platform something awful. 
There has been other counterparts of him found on the internet instead of the original himself. In the original comic of him, there has been many different faced counterparts that seemed to appear to have different emotions than him and also has the same appearance, but with different emotions as well. After the original comic was made, instead of having the same original meme with cereal or him eating cereal while talking, There also has been a newspaper version of him that is sometimes used in Rage Comics or in other memes, sometimes there is a different action to the Newspaper Guy that appears to be torn up instead of reading it while looking at someone. And when Newspaper Guy was made, the appearance of him seemed to be drawn in a different style than the original, of course, the meme was also drawn in a different way as well with the torn newspaper guy counterpart as well. There also has been others besides the Newspaper Guy who also appears to have different faces from the Cereal Guy. Like for example, there is a spitting, realized disturbed version of cereal guy by the name of Cereal Guy (Spitting) who appears to be disturbed about something while he spits out cereal from his mouth. sometimes this meme is often used in Rage Comics to express that he had heard some shocking news as well. There also has been a different version of Cereal Guy named Cereal Guy (Squint), who appears to be curiously looking out to something that is not supposed to or mysterious happening around him. Sometimes the eye squinting version is often used in Rage Comics and also in some memes as well. There has been several other counterparts that could also be seen on the internet. It is unknown if there still is more memes of him made, but for one thing, there may be others are yet to be discovered, or maybe unidentfied on different websites or been unclaimed to be seen on the internet.
- in the Newspaper Guy counterpart of Cereal Guy (as seen at your right above), he seems to be drawn in a different style rather than Cereal guy and appears as silent and wears glasses rather than talking with his mouth opened with cereal.
- There also has been a beer holding counterpart that seems to hold a cold drink resembling a bottle or beer while talking like the original cereal guy.
- In the first comic of cereal guy before he was discovered by rage comics, he appears to have numerously different emotions that didn't succeed as a meme and even though the first one had a telephone and even became a meme, even though without anything but cereal and cereal crums outside his mouth.
- The cereal guy is one of several memes (besides Big Mouth High or Me Gusta) that appears to use the same emotion with two different expressions in the meme at the same time.
- In the sixth panel in the first comic, his face appearance appeared very similar to Pac-man from the original ongoing 1980 video game character Pac-Man who was created by Namco.
- He is the oldest known Rage Comic character to appear on the internet as well, besides Trollface who appeared in 2008 and also Rage Guy in 2008. And since he first appeared in 2007 before Rage Comics ever used Trollface or Rage Guy,Cereal Guy may be considered to be the oldest Rage Comic Character ever known.
- Around May 2010, 3 years after he was first drawn into his first comic, he started to get noticed by 2% of internet users around that time.
- By February 2012, 100% who used the internet had became very interested on searching for Cereal Guy on the internet. Since then, He was very popular around that time.
- He may be the first and only meme that appears as Rage Comic character who eats cereal or reads a newspaper as well.
- In some memes, there has been several comics or memes made with a female version of him, sometimes the female version of the meme is called "Cereal Gal" or "Cereal Girl".
- Sometimes in memes, he is mentioned when saying "Shut the f*** up when I'm talking!" when he is mad at someone, and since his name hasn't been mentioned much, then therefore most people call him Cereal guy since he eats cereal, and even though for people who don't like to use the phrase "STFU" in it, then they sometimes or often call him Cereal Guy.
- He will never ballin'.