Analyze This: Wrestlers that crossed the Heel/Face barrier
There have been cases where certain wrestlers working as a heel have crossed the barrier of storyline heel/face and earned the respect of the fans irrespective of the role they played, as in the case of El Santo. What contributes to such change in perception of fans and who else have famously been loved inspite of being a heel.
You think you can...turn me into a blubbering wreck...by preying on my fears...But I've already faced them--and come out the other side! You understand me? I know what I am...Who I am...And I am not afraid!~ The Man without Fear