Can anybody from the smash bros roster history beat one punch man or at least send him flying? We'll be using each characters canon feats. So far he looks unbeatable for any Nintendo character I can think of.
And this was a simple (somewhat effort) punch from Saitama.
He also lived while being kicked by the most powerful villain in OPM from earth to the moon.
Able to punch effortlessly through the freaking moon.