One Punch-Out Man

Also, just to get in some pre-workout cardio, he blows into the cartridge 1,000 times before inserting it into the NES.

Saitama pretty much ranks all the way up there with Deadpool as far as my list of favorite superheroes goes.  If you haven't seen the One Punch Man anime or read the manga yet...then oh man.  I cannot recommend this over-the-top, refreshingly different, and zany series highly enough.