Anonymous asked: Okay okay what is a head cannon please tell me. What are you talking about?!
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So to explain headcanon, we’re gonna look at three terms
Canon is something that has happened in a fictional piece of work. For instance, in the Harry Potter universe, it is canon that Voldemort killed Harry’s parents. That’s something that the book explicitly said happened. it is canon that Harry and Ginny end up together and have children. Because in the epilogue that the author wrote, it said so. Canon is what we as fans are given by the creator, it’s what we have to work with.
Headcanon is something that you, as a fan, like to think happened. Some of them are serious, as in you legitimately think that is how things did or would go down, and some of them are silly. Some headcanons are based on a lot of evidence from the text/movie/show/etc, while some are just what you as a consumer think might make sense or find amusing. For example, I have a headcanon that Ginny Weasley still feels residual energy from Tom Riddle’s diary horcrux in her head, and harbors some deep, conflicting feelings about the whole thing. Also that Harry’s connection with Voldemort has an effect on her because of that. A sillier headcanon would be, like, Tendo Choi hates sesame and everything bagels, because the first time he successfully launched a Jaeger, they took a celebratory picture and he had seeds in his teeth and it’s still up in the break room
Fanon is when a headcanon gets so popular, or so many people in a fandom SHARE a headcanon, that everyone just kind of accepts it and it becomes a widespread belief. A good example of this would be in the Don’t Hug Me I’m Scared fandom, there’s one particular humanization of Notepad and Clock that has just kind of become the unofficial official humanization design, and it’s the one most people seem to use in their fanart, even though it isn’t canon.
An AU is different from a headcanon because a headcanon deals with details of the canon universe, filling in the blank spots between the lines. An AU is a completely seperate universe, where everything and anything can be different, and canon details can be changed. For instance, ‘Lord of the Rings AU where everyone is centaurs’, or, ‘Sherlock AU where Moriarty is the third Holmes brother’
Perfect explanations for these.