New ‘X-Files’ Teaser Features First Footage of Mulder and Scully in Action (Video)

Cigarette Smoking Man: A primary antagonist for most the series, this chain smoker frequently stymied Mulder and Scully's X-Files investigations

The Peacock Family: A family of inbred cannibals, two members eventually escaped Mulder and Scully and are still on the loose

Chinga: This homicidal doll terrorized a small Maine town before Scully destroyed it. Or so she thought ...

Alien Bounty Hunter: Also called "The Colonists," this shape-shifting alien race killed anyone who interfered with their plan to covertly control Earth 

The Black Oil: This alien virus was developed by the Colonists as a means to enslave the human race

The Syndicate: A "shadow government" formed within the U.S. State Department and CIA, the group worked with the Colonists to ensure a "peaceful" takeover of Earth 

The A.I.: Seen in the episode "Kill Switch," this rogue artificial intelligence was capable of tracking and killing anyone via satellite

The Fungus: In "Field Trip," Mulder and Scully fall victim to a hallucinogenic fungus that slowly consumes its victims

Phyllis Paddock: A demon in the form of a substitute teacher, she killed several students and a PTA member after students summoned her with a séance in the woods near their school

Beggar Man: This diminutive Indian mystic was capable of hiding inside his victims' stomachs and using them as a host before killing them

Cecil L'Ively: This pyrokinetic murderer killed several British dignitaries before making his way across the pond to face off against Mulder and Scully