Lizard aliens.
Or the Greys.
Crop circles.
Illuminati.
Bildeberg.
Council of Foreign Relations.
Jesuits.
JOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOS.
Reverse vampires.
The JFK assassins who hid in the sewers under the manhole covers.
Zionists... oh wait, those are JOOOOOOOOOOOOOOOOS...
Chemtrails.
Bohemian Grove.
Skull & Bones.
Pirates!
Ninjas!
The Sith.
You forgot Blue Meanies.