So your criteria is stoppages. Fury and Stiverne 1 then. If the criteria is knockdowns, Duhaupas. If the criteria is wins, Fury.
And since I know you’ll readjust what taking a punch means to make your fan girl hyperbole true let me go ahead and stop you.
You can’t prove that no man alive can take his punches. You can’t prove any other heavyweight he hasn’t fought can’t. To be fair you’ve failed miserably when trying to use the record of actual opponents. I’m done talking to you, I know better than to come between a fan girl and their idol.