All of this sounds rather interesting! I will say I'm surprised you opted to use the Koopalings for the Castle Boss Fights instead of going a more original route, but based on what I'm reading in this post so far, it's certainly a breath of fresh air for the NSMB series!
"These travel guides are really lazily written, and Cosmo did so much more professionally. So my suggestion is to return Cosmo to his position of writer of this guide." - Wally the Baby Rhinoceros
In my personal headcanon, their surname is Esposito rather than Mario or them not having any surname at all. So in my headcanon, they'd be the Esposito Bros rather than the Mario Bros, lol.
Well, since everyone is doing it, I might as well give my share of the season's greetings and say: Happy Pride Month, y'all. Since I sexually identify as bi-curious asexual, I hope this month will be just as much of a celebration for you as it is for me. 😄
In Super Paper Mario, Carson's story "Of Bats and Men" tells of how a man traveled through a forest in search of the one he loved, and came across a bat stuck in a trap along the way, freeing the bat, after which it transformed into a woman that same night and pledged eternal loyalty to the man...
I generally have an easier time understanding Donald Duck's musings (At least when it comes to his English voice) than I do understanding Quantim Physics, but I am not a licensed physicist, so that kinda explains why.
With the exception of Sport Report: The Movie still being present in the Palette Swap lineup of regular sections (That section is currently on hiatus to make room for Die WAH With A Vengeance), I'd it is pretty much up to date! 👍
I hope I don't sound informal for pointing this out, but the Sign Up page for The 'Shroom is outdated. Where would you have to go to request for it to be updated?