Originally Posted by Dubs
What persona? He throws a couple of guys around the ring and shouts "feed me more." He doesn't even say please. He's, essentially, what Oliver Twist would have been like if he was a bit more ballsy.
To main event, you need excellent mic skills, an interesting character/gimmick/personality and occasionally wrestle a match that lasts longer than 5 minutes.
Ryback's character has plenty of room for development, but based on what is being displayed right now, he is not main event material.