The different types of Greys or Grays
How many Alien types are there? How many alien species are there?
Also thought to be known as Nordics
The ancient Sumerian Gods, or Ancient Alien Astronauts?
Book of Alien Races: Secret Russian KGB Book of Alien Species Translated by Dante Santori and his friend Petro
Entities that may be considered cryptids by cryptozoologists include Bigfoot, the chupacabra, or Mokele-mbembe. Related pseudosciences include Young Earth creationism, ghost hunting, and ufology. Some dictionaries and encyclopedias define the term "cryptid" as an animal whose existence is unsubstantiated
According to Simon Parkes a lifelong experiencer: A Shadow Being (also known as a Shadow Figure, Shadow Person or Black Mass) is the perception of a patch of shadow as a living, humanoid figure who, like the Jinn, may be either evil, helpful or neutral and may be an extra-dimensional inhabitant of another universe
In popular culture and UFO conspiracy theories, men in black (MIB) are supposed men dressed in black suits who claim to be quasi-government agents who harass or threaten UFO witnesses to keep them quiet about what they have seen. It is sometimes implied that they may be aliens themselves.