Punk has bested Chris Jericho twice and demanded respect from people like John Cena, The Rock and The Big Show while Sheamus has fought off Alberto Del Rio, Randy Orton and Dolph Ziggler.
Any time either champion has stood against a challenge, they have emerged with their belts still around their respective waists.
All we have to do now is figure out when they will be bested and by whom.
This article will give my predictions for three of the next men to capture the two biggest prizes in professional wrestling. I can't say exactly what show they will win their titles, but I'm positive that these six people will all be known as World Heavyweight or WWE Champion in the future.
You are more than welcome to give me your feedback on my picks and who you think is more deserving and/or suited to being called a champion.
Let's dive in!