What ?
Are you implying that the high end noumu is muscular? If that's what you're thinking I'm going to have to say that it's extremely unlikely, muscular is most defenetly not a noumu, he has a history of his own and there hasn't been anything that implied that he had contact with AFO before being recruited by the league. But you're not wrong when you say that he made an apperance in the anime and manga at the end of season 4 we get to see a high end noumu named 'hood' that endeavour and hawks fight, and he looks quite familiar..
It’s been a long time since I watched the anime and I didn’t really watch the last season cuz i red the manga so i am way a head
But its probably hood now that you mentioned him
Theory time
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Ok so do you see the monster that was attacking them I think that we saw him in the anime when deku fought a muscular guy and saved the kota (and broke his arms)