Your headcanons

I think Mario characters age by voice. Mario has also aged backward because he was first balding and middle aged, and then he was in his mid 20s and full of hair, and now his voice is sounding aged.
 
Speaking of age, Rosalina, ever since she became the emo space princess she is now, doesn't age. Like, at all. Biologically, she's still (insert Rosalina's age here), while literally, she's older than the galaxy itself.
 
Pretty sure thats an official thing and not a headcanon.
 
Princess Mario said:
I think Mario characters age by voice. Mario has also aged backward because he was first balding and middle aged, and then he was in his mid 20s and full of hair, and now his voice is sounding aged.
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I mean could that just be Charles Martinet getting older
 
I'm on a phone so I cant make a huge list of all my Gooigi headcanons so have a very obvious reason why Luigi can't have the Super Crown

I believe that around 50% of the population in the Mushroom Kingdom will fully transform into a Peach figure, mainly Toads. But the other 50% will have things remaining from their original body. Take Bowsette, her tail, horns, and shell come from her original body. So when Luigi puts on the Super Crown he becomes an intersexual character. Mario also became an intersexual character but we don't talk about that.

Also I believe Boosette never had anything from her original body (besides the fact that she's a ghost but it makes sense) so Boos can also turn completely into a Peach figure.
 
You don't need a headcanon about the super crown since it's description flat out says only Toadette can use it.
 
If the guys who can use first time power ups like they've been using them for years after just getting them can't use it, I doubt anyone else can.
 
Princess of Tennis said:
In-universe Mario characters don't age the way we do. In fact, Mario was born an adult who later became a baby and then back to an adult again. Truly, they age by graphics. As seen in Super Mario Sunshine, when Fludd was showing Mario's past, he was once 8bit, and then 64bit, and so on.
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How does Su