The wide world of wrestling is arguably one of the craziest sporting institutions there is. For every dramatic decision, it seems there is something more dramatic waiting to happen.
Character changes are at the forefront of that. The challenge of turning a guy who has massive popularity with a crowd into one who will become a villainous, hated character is incredibly tricky.
Sometimes it just doesn't work. It is difficult for creative teams to try and morph people into characters that don't fit.
However, sometimes we get amazing results. Just like these ones. Jaw-dropping, exciting changes that stand the test of time.
Let's take a look at the 10 greatest heel turns in pro wrestling history.