Not sure if this has been done, but a search only revealed hacks that are close but no Cigar.

I have a board that has User that are Helpful, but not Moderators or Admins. I want to be able to give them special recognition that is totaly unreleated to the amount of Posts they have made. Is there a hack that allows this to be done requardless of number of posts?

jimbo's custom title hack lets you add different titles for as many wuser as you want.