Sounds like a Qanonreip to me; that's the term for a Mary Sue/Gary Stu that is supposed to be canon, but is warped.
pottersues: Amazing, really, how Writer's Block appl
Oh, they may be very pretty
But don't judge by what you see
I'll eat myself if there are
More annoying Sues than these!
You can keep your raven locks
Your bodies sleek and tall
For you girls are the Mary-Sues
The worst OCs of all
There's nothing hidden in your heads
No personality
So don the Suewarts Sorting Hat
To find out where you'll be
You might belong in Sparklypoo
Where dwell the pure at heart
Their perfect looks and perkiness
Set Sparklypoos apart
You might belong in B*tchiwitch
With losers and with freaks
Those poor and angsty little things
Are goths and brains and geeks
Or yet in skanky Tootsitramp
You'll spend your nights and days
If you like to show off cleavage
And are wanton in your ways
Or perhaps in Qanonreip
You'll make your real friends
Those authors will Sue anyone
To make their stories' ends
So cower low and close your eyes
Be very, very scared
It's time to sort the Mary-Sues
So get your sporks prepared!