I really hate it when people confuse
the terms “Canon”, “Headcanon”
and “Alternate Universe".
"Canon": Something that has been
outright been stated in canon outside
of a joke, in a way that
unambiguously means this exact
thing and nothing else.
"Headcanon": It was never
unambiguously specified in canon,
but I interpret this on my own in a
way that goes along with canon
without contradicting it.
"Alternate Universe": My game, my
They are not interchangeable terms.