For example, one favorite troll tactic is to lurk beneath a bridge and attempt to eat unwary travelers who attempt to cross. If we take the action of walking across a bridge as a metaphor for initiating any change, then the Implementation Trolls destroy you in transit, usually by ginning up to the organization's nominal resistance to change. While it is beyond debate that the amount of time and energy that goes into setting up a very simple earned value management system (EVMS) pays huge dividends in useful management information, the Implementation Trolls will complain long and loud about how even that small amount of effort is overly arduous. These beings complain so excessively about largely contrived grievances they should be made honorary members of the Trial Lawyers Association.
Then, once you've crossed the bridge and approached the castle that serves as the keep for your sought-after treasure, an advanced project management information system, you will encounter an entirely different breed of Implementation Troll.
Far from picking off your comrades for making people do stuff that's supposedly way to hard, these trolls will insist that anything you bring them is not good enough. These Implementation Trolls are invariably armed with clubs that have the infamous 32 EVMS criteria etched into them, and they take great pleasure in pummeling all those who approach. The infuriating thing about these trolls is that they will often present themselves as erstwhile allies to your cause, but will then gleefully destroy your efforts as being sub-standard. Like their notorious counterparts from Norse mythology, Implementation Trolls have what can only be described as bizarre senses of proportion and perspective, and will inflict their damage while pretending to occupy the intellectual high ground.
I'm very interested in finding out what the project management blogosphere thinks about Implementation Trolls.