As much as its needed, I highly doubt there will be another undertaker. Possibly because there will only be 1 undertaker. Not to many people have been successful with a vampire/zombie/deadman gimmick. I mean, what the hell happened to Kevin Thorn?
as for retirement, I might be the only one, but I think wrestling another mania match would be HORRIBLE. he gave his life at 28 against triple h. There should be no reason they called that match the "end of an era" and the era is still going on. Plus he is old. He has killed himself in the ring for most of his life. He should do the rumble, and then retire.id love to see a speech though, because he deserves it.
and for the future. He needs to get out of the business. Now. No more hulk hogans and ric flairs. He has accomplished everything career wise. Maybe front office, or behind the scenes job, but in my eyes he is done.