5. Tim Tebow
It's almost as if Tim Tebow was born to be a WWE superstar, simply refused, and Bo Dallas was put in his place. Tim Tebow is a natural heel, as he's almost obnoxiously religious. Even beyond that, he's also obnoxiously persistent, spurning offers from NFL teams to play other positions, instead insisting that he remain a quarterback. This persona in the WWE would have somewhat of a "Rocky Maivia" effect, causing people to absolutely loathe Tebow, although he's really done nothing to cause it. It remains to be seen if WWE will get behind Bo Dallas, but a potential pairing with Tebow could be an absolutely insane heat seeker, and at 26 years old, Tebow could have a new short-term career if he ever wants back in the spotlight. The WWE would surely jump all over the opportunity.