Iirc the Charging Chucks have a 9-A feat of destroying a wall in odyssey, the Chain Chomps also have an 8-C feat due to destroying a large wall, Sherman's have a High 8-C feat which scales to Banzai Bills as they seem to be comparable in power
Some Mario Odyssey Calcs
vsbattles.fandom.com
So Mario looks how he regularly does, as do the enemies.
I'm not sure how we'd determine if something is overly exaggerated.