With the first rrat I've been aware of this from 4chan but even with this somewhat explanation to it seems odd.
Don't really have much to add on that second rrat.
The Third one though seems more interesting than the rest but then again it's just a rrat after all.
But only one rrat I've seen got me to think twice about it and that is that Kiara was a Gen 5 reject. I'll post the image that I found in November that further explain the rrat in somewhat detail. Though at first I was doubted this before as some anons try to also add that if true then Kiara played a role in Aloe to graduate to take a hit Hololive for not having her in Gen 5 rather than being in EN. But after seeing this image and then remembering the clip from Pekora saying the last Gen 5 to debut was a phoenix but instead is was Polka being a fennec fox had really got me in thinking twice about it.
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But in the end, it just another 4chan rrat so it could just be all schizo shit.