I'm not at all convinced Adelstein is much of a "professional" poker player.
http://pokerdb.thehendonmob.com/player.php?a=r&n=97348
Even though Bellande is often broke, he does actually have some results to back up his occupation. I am actually surprised he hasn't been brought back for any of the all-star seasons, as he was a decent villain.
http://pokerdb.thehendonmob.com/player.php?a=r&n=28703