The biggest idiot you'll ever know. If you are considering friendship with this person or even a relationship, don't. Often homosexual, Nathans' will go out of their way to make people's lives difficult and unpleasant.
A Nathan is also known to sell out his friends for the tiniest bit of power and has one of the most obnoxious personalities you'll ever encounter. Most Nathans end up boring accountants with no lives.
Girl: I can't believe what a dick he is!
Guy: What'd you expect? Its Nathan...