Important Context:
This is an AU and some letters/glyphs have been changed, and the lore is completely made up.
Fan lore:
Quill (posthumously given the title Iolaus, as recovery centres didn't exist in his lifespan) was a political activist and linguist in Yoyleland who invented the Iolasian-Yoylean alphabet to protest the overwhelming use of the English language while still being understandable to the public -- the alphabet became widespread, and eventually was officially adopted sometime in the 1600's. Adaptations have since been made, and the alphabet continued being used well into and after the Exodus in the 1700's, which was the departure of the Yoyleans from Yoyleland.
(For some inevitable legalese, I'm considering this fair use parody as a reasonable cause and use for the Yoylean alphabet.)
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