I'd say John Cena, but I haven't had an interest in him in the first place.
For me, the main one would be Jeff Hardy. He's had too many chances and screwed the pooch on too many occasions for me to give a shit about him any more. Randy Orton would be another one, but only because he's duller than a watching a very dull shade of dull paint drying on a dull wall in a dull house. Sting's "Insane Icon" gimmick is a last ditch attempt to get people to care about Sting again and I don't think it's going to work. Sin Cara got boring fast. Kofi Kingston and Dolph Ziggler would be on this list if they were STILL feuding over a mid-card belt and having their 4523526th match against each other, but they're not, so I'll let them off.