its tough to say because i think alot of them aren't very good anymore, atleast champion wise.
I'd say pete spratt fight wise, i think he is the weakest. I like pete but he's the weakest fight wise.
What is it that is going to be on your mind when you're on your death bed? Will it be the tedious years of 9 to 5, or the memory of some great acheivement. Maybe a moment you stood in glory to the applause of millions.