First image showing off "the mullet" (2007).

"An Under-Edd's-Hat Theory" is the name of a series of uploads by VampireMeerkat that showcased what could be found under Edd's hat, dating back to 2007-2008.

These uploads mainly argued Edd had "a mullet", more specifically; a hat-shaped, indestructible tangle of hair and objects, with long strands at the right side of his head. Attempts were made to find proof that supported the theory, opposed to creating a theory based on hints given in the show.

It was used and adapted by multiple artists afterwards, though it's been stated it shouldn't be treated as a possible truth. The long hair alone is not an important element in the creation and was only added for a side story concerning Edd and his mother.
Edd's mullet was also never called "a mullet"; this name was given to him by spectators/fans.

Below is info on the theory itself and the overall thought process that came during development.

NOTE: This page was originally set up to feature the "mullet theory", but users are free to add their own ideas at the bottom of the page.

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Other Theories (users are free to add)

Theory: Third Eye

Well first when Edds hat came off Eddy said "geez Louise" since it looked weird and Ed said "Cool" because he likes mutants and thinks it's cool. In the big picture show, Eddy made fun of it by saying "my eyes they're burning"! And Ed said "does it hurt double d"because he had the eye under that hat and it hurts when you get something in your eye.

The Animator's Choice Theory

As with many things, most cartoonists build up their idea for long periods of time. Danny Antonucci had complete creative control over this show and based the main characters off of himself. The show is based partially on his time as a kid growing up in a Cul-de-Sac. Danny Antonucci chose to give Edd a permanent hat based on the time he burned off the hair on the top of his head and hid it from his parents using a hat. He didn't take it off until his hair grew back. He told this story at one of his earlier conventions.

The Dodgeball Theory

This is the theory about the dodgeball accident and if it is why Edd wears that hat. This theory is thought to be true by a good amount of fans.

Story

Edd is in Lemon Brook Elementary School and playing dodgeball. He is the best; the team he was playing aganst had all the other kids on it. Eventually, it came down to Edd and one other person. The only way Edd could win was by a trick shot. The other kid dodged it, and the ball ricocheted. When Edd was getting another one to throw he looked up and saw it. The dodgeball hit him right in the head so hard that it got wedged into his skull. He had to move to Peach Creek (his home town's rival town) due to him being so ashamed and scared.

Facts that support this theory

  • Edd had his hat as a toddler when his family moved to Peach Creek.
  • Edd's hat has been removed about 3-4 times, and the first 2 times Ed and Eddy seemed slightly creeped out.
  • In the Big Picture Show Ed asked if "it hurt".
  • When Eddy wanted to play dodgeball with Ed, Edd and Jimmy in Ed in a Halfshell; Edd covered his head for a few seconds then started to cry a little.
  • In Take This Ed And Shove It Edd's hat seemed to have deflated as if a ball or something was under it and the air was released.On the ed edd and eddy the misedventures game manual,it said this theory.
  • On The Cartoon Network Website,it said Since The Dodgeball incident

Facts that do not support this theory

  • If a dodgeball were to hit someone in the head hard enough to be wedged into their skull it would likely also cause brain damage, and in the show Edd is presented as very intellegent
    • To disprove the above bullet, Edd could be a savant. A savant is a person who has developmental delays and/or a brain injury and is able to display a supreme level of intellect, often considered to be a genius.
    • When Edd is shown entering the cul de sac at a young age (2?3?) He is wearing the hat. Why would a toddler play dodgeball, much less have kid likely in the same grade cause brain damage?

Gills

In Eeney, Meeney, Miney, Ed, Eddy told Ed that Edd hides his gills under his hat. In an episode before this one, Eddy hid under Edd's hat for protection, so he might have actually seen the gills.other theories include big head, mutation, tumor, birth defect, lice, scar, scab, ticks, cancer, lab accident, and disfigurement.

Brain Busted

Edd is so smart but so weak that his brain could be big enough to bust though his skull. Also In Honor Thy Ed Eddy said: "Double D, let me poke your brain!",meaning he is a mutant.

Eddy is a smart alec though, so it could be him just poking fun at Edd.

Giant Zit

Double D could have a huge zit. In X Marks The Ed Double D seems to possess the knowledge on how to get rid of a huge zit. However, if he had the knowledge to remove a giant zit, he wouldn't have one.

Blonde With The Ends Dyed Black

Edd is blonde, but his parents made him dye the ends black, because blonde hair looks "bad" according to them. Edd wears the hat to cover up the blonde hair in his hat, while the 3 hairs sticking out are the hairs dyed black. Although, there is one piece of evidence to support this theory.

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Combination of the Dodgeball theory and Mullet theory

The dodgeball is stuck in his skull and flatten down the hair around it. His hair grew, but Edd couldn't cut any of it without hurting himself, so he combed the hair towards the back of his head. If dodgeball were to be removed, the hair would poof out and be a mullet which Edd might cut. This uses all the evidence from the mullet theory and the dodgeball theory.

Baldness Theory

Edd, who loves to be intelligent, hates being bald. So he keeps on the hat.

Intelligence Theory

He is very smart, but has long beautiful black hair. He might think that if people saw his hair they would stop paying attention to his intelligence, and instead, to, his hair

Dodgeball Theory (Ed, Edd, Eddy n Travis)

As revealed in The Eds' New Spy, Ed, Edd, Eddy n Travis supports the dodgeball theory. Though, the version it supports it a alternate version of it that perhaps makes more sense. Not much is known about this version since it was only mentioned once but the concept will be explained more in the upcoming episode, Doomed Memories.

Cowlick Theory

Edd has a cowlick, a piece/bundle of hair that sticks directly upwards, this just happens to be something that people love to make fun of. Some of these jokes involve acting creeped out, saying things like, "My eyes, they burn" "Cool" "Geez louise" and "Does it hurt, Double-D", these each imply that he has a horn on his head, or in realistic thoughts an "alphalfa". Edd is so worried about getting picked on by having it, he hides it under his hat which lookes similar to one he had as a toddler.

Supporting Facts


  • On the episode where Eddy gets a zit, Edd seems to have some sort of compassion for Eddy getting made fun of.
  • Edd knows bullies look for a reaction and he tends to explode so he makes sure they don't know how to get a reaction from him.
  • Edd yells at Ed and Eddy for saying those things on Big Picture Show as if nothing was so bad.
  • Kevin's hairstyle is similar to a mullet.
  • It's impossible for Edd to have gills.
  • An brain expanding out if his skull would kill him, so would a dodgeball smashing into his skull.
  • Edd would use beautiful hair so people can listen to him.
  • Edd knows how to get rid of zits.
  • Edd would never put a hat over severe wounds or scars because they would get infected.

Bowl Cut Theory

This was inspired by a wiki contributer saying something that makes sense. The idea is that long ago Edd went to an run-down going out of business barbershop, his parents not knowing that there's a good reason. Edd had nice, pretty blonde hair and his parents asked for a shorter cut. The barber cut Edd's hair all right, into an ugly, shaggy and gruesome looking bowl cut with spots shaved off and three stups of hair at the back. Due to where the shaven spots are, Edd's hair cannot regrow properly and he has to live with the same ugly hairdew forever.

Hair will normally grow back if it's cut. If the roots are cut,however they are not able to grow back without surgery.

Attachment Theory

There is nothing under Edd's hat but it was given to him by his mother for comfort. The hat symbolizes his mother who he loves so, he gets attached to it after a few years and even covers it with a shower cap. It hurts because he loves it and can't have it off, the secret he wants nobody to know is that he wears a "security hat". Edd must have it on. Eddy's eyes burned because of the gloom and anger Edd felt, it's amazing and cool because, how could someone be so loyal to a mother that's only around to rub his feet and give him milk before bed.

Medusa Theory

This theory was made by a Youtuber called Waffle6271. He said on his Facebook once that possibly there are snakes on Edd's head. He mentioned the reason why he thinks that:

In one episode, Edd's hat got stuck to a light bulb in his room. After it came off, the Ed Were Shock As If It Had Been Something Unusal.

In Ed, Edd n Eddy's Big Picture Show, Edd's hat came off in the forest scene and Eddy said his eyes hurt. He said it in a way as if Edd was Medusa (even though Eddy was being sarcastic).

Scar Theory

This theory was made by Numbuh0051. The reason that he keeps his cap on is because he has a lengthy scar on his hairline. He hides it for two reasons, one because he has blown it out of proportion and believes it makes him look deformed. The second reason, more important, reason is the way he got the scar in the first place. When he was just a little one, his parents took him to a small party. Although both had drunk some alcohol at the party, they still decided to drive home. Unfortunately, in this state they went through a red light and crashed into another car. To Double-D, the scar is a constant reminder of his parents' indiscretion that night and it still makes him ashamed to think of it.

Supporting Facts

  • Eddy and Ed staring at it in astonishment in, along with Ed's comment of, "Cool". Boys usually have a fasination with scabs, scars, and the like and both would have been horrified if it had been something grotesque.

The 2nd Brain/2nd Dodgeball Theory

This theory was made by Casimus Prime. The reason he wears a hat is a polymer of two things. 1, he is so smart his brain bulges out of his skull. 2, Edd is playing dodgeball, against his will too. He is trying to dodge as best he can, but the other team has the toughest kid in school who throws dodgeballs like cannonballs. Edd is hit with a shot so hard that it breaks the top of his head, skin, skull and all. He wears bandages that he thinks will ruin his image in the family, so his mother makes him a hat. This theory goes into greater detail in part one of Edigins.

Wish for a Daughter Theory

Maybe long black hair really is what he has stuffed inside his hat. His parents don't let him cut his hair, because maybe he was supposed to be a girl, but disappointingly enough he turned out to be a boy. It would make sense as to why he's more soft and feminine than the other boys in the Cul-de-Sac.
He is being raised "as a girl", or to a certain extent, as his parents are still desperate for a daughter. It explains Edd's second name, "Marian", which perhaps was originally for that daughter that never was. Maybe that's also why his parents make him do all those chores.

The Stray Thread Theory

This Theory was made by User:Mrboy90.Edd maybe have Stray Thread.

Facts That Support This Theory

  • In A Fistful Of Edd, When Edd's Tongue had a Bite on it.His hat had a hole in it, If you look closely,You'll see a Stray curly line coming through his hat.

Experiment Theory

When Edd was real young, he found himself very interested in science so he took off looking around his house for something related to the subject. He soon came across a chemical kit that his father had since he was a kid. Edd opened it up and started playing with the chemicals and test tubes but when he put just the wrong combination, an explosion happened that drew his parents' attention. When they came in, they found their baby son with the top of his head grotesquely burnt and hair dyed an unnatural color except for a few strands. After discovering they could not dye his hair back, they bought him a hat to cover the injuries up.

Eyebrow-less Theory

The day Edd arrived on this earth, he was special... but in a different way than now. Edd was born without eyebrows and had a hard time making facial expressions. His parents didn't care how weird and somewhat creepy their son looked but when Edd became smarter as a two year old, he realized his odd appearance. He begged to get something to help with facial expressions and cover his secret. At least it would be when they moved to Peach Creek next week. They agreed and brought him home a new hat the next day.

Birthmark Theory

It is very much so possible that Edd wears his hat in order to mask an oddly shaped birthmark or other condition that was present from birth. If the birthmark was in an embarassing or unusual shape (that would get him made fun of, hence the other Eds' comments in Big Picture Show), he would, needless to say, want to cover it up. A strange shape would also explain why Ed and Eddy were impressed with it when they first saw it.

Cyborg Theory

This theory was made by User:McCorkle

If we treat the events of the show objectively, we may be able to deduce the possibility that under Edd's hat is contained a cyborg technology that has the ability to rewind Edd's speech when correctly tampered with. This theory is solely based on an event which occurred in the episode [Fa-La-La-La-Ed]. In this episode, we can see that Ed has somehow activated a mechanism contained under Edd's hat that caused Edd to rewind his speech, just as a cyborg would do.

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