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15 'Harry Potter' Headcanons From Fans That We Desperately Want To Believe

Updated February 9, 2021 2.0k votes 377 voters 32.8k views16 items

List RulesVote up the best 'Harry Potter' headcanons.

No one has a fanbase quite like Harry Potter. With seven books and 10 movies and counting to its name, as well as beloved characters and magical elements, we're not surprised that years later people are still obsessed. One of fandoms' most favorite things is to pose questions and theories, and there are a lot of them. We managed to find some Harry Potter fans' top headcanons from the series.

Which Harry Potter headcanon could you believe? Vote up your favorites below!

  • 5

    James Gifted Remus His Briefcase

    Photo: Harry Potter and the Prisoner of Azkaban / Warner Bros Pictures

    From Redditor u/dreaminmusic93:

    I have a headcanon specifically regarding Lupin’s battered briefcase. I don’t know why I’ve thought about this so much, but here we are.

    We see in the beginning of PoA when Remus is on the Hogwart’s Express that he has a briefcase that is visibly old and falling apart, even to the point where it’s tied together with string in places. “Professor R.J. Lupin” is stamped on it in peeling letters. This suggests that the stamp is as old as the briefcase.

    But here’s the thing. Remus was shunned from employment most of his adult life. We can assume that he was not a professor before this point because of this. He wouldn’t have been able to afford a nice briefcase, especially a personalized one. So why does he have it and why has he had it for so long?

    We know that James Potter was wealthy and played a role in supporting Remus financially until he died (as says the HP Wiki). It’s my idea that perhaps Remus had expressed wanting to be a professor before and James, being one of his best friends, bought Remus the briefcase with his name and “Professor” stamped across it. I believe that James would have wholeheartedly believed that Remus would one day be a professor and gave him the briefcase to keep his spirits up. It appears so old because he’s had it for maybe sixteen years or so before we see it; twelve of those years were spent in extreme poverty, which can explain why it took some damage. Remus kept the briefcase to remind him of his friend (and his dream).

    Interesting headcanon?
  • 6

    Dumbledore Sees Socks In The Mirror Of Erised Because Of His Sister

    Photo: Harry Potter and the Deathly Hallows Pt.2 / Warner Bros Pictures

    From Redditor u/Oklahom0:

    Ariana Dumbledore learned how to knit. It really helped relax her during the worst parts of her mental illness. And every ounce of magic could be seen in the things she knitted. She would send the things she knitted to her brothers while they attended Hogwarts, but Albus was especially ungrateful and even embarrassed about his sister's condition and everything about her. Every Christmas, they would be loaded down with any bit of clothing. Why this is important: It was during Christmas break that Dumbledore told Harry about the powers of the Mirror of Erised. He wasn't entirely lying when he said that the one thing Dumbledore desired most of all was a pair of socks for Christmas.

    Interesting headcanon?
  • 7

    How Neville Was Finally Able To Remember The Password

    Photo: Harry Potter and the Order of the Phoenix / Warner Bros Pictures

    From Redditor u/sunshineallday:

    So, I was a little late for the "what is your favorite headcanon that you have little evidence for" thread from a few days ago, but honestly, this one is at least slightly supported by canon. I'm not sure if this has ever been mentioned before or not.

    It wasn't just luck that the Gryffindor password was Mimbulus Mimbletonia at the beginning of Neville's fifth year, but rather because Professor McGonagall and Augusta Longbottom were friends. There isn't a whole lot to support this in canon, other than the fact that they were close in age and both were very formidable witches. This quote from HBP also suggests that they communicate occasionally:

    “Take Charms,” said Professor McGonagall, “and I shall drop Augusta a line reminding her that just because she failed her Charms O.W.L., the subject is not necessarily worthless.”

    I imagine that Augusta and Minerva were chatting over tea one day before the start of term, and Augusta mentioned that her brother Algie had gotten Neville a new exotic plant. McGonagall, knowing how difficult it was for Neville to remember the passwords, suggested the little plant's name to the Fat Lady as the first password of the year.

    Good old Professor McGonagall, always looking out for her students.

    Interesting headcanon?
  • 8

    Hermione Actually Wrote The 'Harry Potter' Series And Uses J.K. Rowling As A Pseudonym

    Photo: Harry Potter and the Chamber of Secrets / Warner Bros Pictures

    From Redditor u/inkandpaperlife:

    I love thinking that Rita Skeeter wrote a book about Harry and his defeat of Voldemort, and in true Rita Skeeter fashion, it was filled with lies. This annoys Hermione, so she decides to write a series of books that describe what ACTUALLY happened. However she fears that people will think she's biased since she's Harry's best friend, so she publishes them under the pseudonym J.K. Rowling. After a while, the books become so popular that she decides to market it as fantasy and sell to Muggles.

    Interesting headcanon?