Alien Bounty Hunter

The Alien Bounty Hunter (abbreviated as ABH) is a fictional character in the science fiction FOX TV series, The X-Files. He was initially listed as The Pilot in the credits and is portrayed by Brian Thompson. The Alien Bounty Hunter, is, as his name describes, an alien bounty hunter. There is in fact more than one ABH, and their individual names, if they had any, are never given. The ABHs were tasked by the Colonists with tracking down and eliminating any threats to their plans to invade Earth, analogous to the capacity that the MIB served in for The Syndicate. In fact, the Syndicate would regularly employ the bounty hunters when traditional means proved ineffective. The Syndicate would refer to them as "our friends". This was the last resort of the Syndicate however, because utilizing the bounty hunters meant increasing their vulnerability and therefore increasing the possibility that the Colonists would discover that they were working on a vaccine to the Black Oil. The ABHs helped... full article at wikipedia