#1 Jeff Hardy

There's one thing that all the previous entries on this list have in common. They weren't known for working together as a team. The lesser sibling in each duo could argue that if given the same opportunities at the same time they could have done just as well as their brother or sister. Well, there's no arguing that with this entry.
Matt and Jeff Hardy will predominantly be known as a tag team. They rose to fame in WWE as a tag team, and they've recently returned to the company as a duo almost 20 years later. There was a time in WWE however when the company split them up and it was plain to see who exactly was the better brother.
As a singles star, Jeff was far and away the better competitor. While his brother Matt got stuck in the mid-card, Jeff was all the way at the top competing in main events and winning World Championships. Matt becoming Broken in TNA may have earned him some prominence, but we're yet to see that side of him in a WWE ring.
Did a WWE Hall of Famer predict John Cena's heelish ways long ago? More details HERE.