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CREDIT: Facebook/Alien Grey

UFO sightings lead to many questions -one of the most intriguing being - what do they want from us? The first stumbling block, according to ufologist Dr. Steven Greer of the Center for the Study of Extraterrestrial Intelligence, is getting past wondering if extraterrestrial life exists.

The Space Brothers

There are different types of Space Brothers - the Pleiadians, the Lyrans, and the Sirians.Based on "Close Encounters of the Fourth Kind: Alien Abduction, UFOs" and the Conference at M.I.T. Knopf in 1995, Space Brothers are human-like creatures who are "affectionate and all-knowing."

What They Want: Alleged contactees of mankind's Space Brothers such as George Adamski say that this particular alien species are protecting mankind from Reptilians and allegedly want humans to ascend to the dimension they have ascended to.

Reptilians

CREDIT: Facebook/Shapesifting Reptilians

British writer David Icke describes Reptilians as "tall, blood-drinking, shape-shifting reptilian humanoids from the Alpha Draconis star system." Described by 1950s Pleiadian contactees as "evil", Reptilians are associated with abductions.

An article from the Los Angeles Times in the year 1934 may have been the origin of the Reptilian stories, according to Bryan Dunning of "Support Your Local Reptoid: What started the conspiracy theory that reptilian beings control our government?"

The 1934 article reported that subterranean labyrinths found beneath the city of Los Angeles by a geophysical mining engineer. The geophysical mining engineer who found it claimed that it was an underground city built by Reptilians to escape catastrophes on Earth that happened 5, 000 years ago.

What They Want: Based on David Icke's claims, the Reptilians allegedly want to take Earth back and are behind a conspiracy against mankind.

The Roswell Greys

CREDIT: Facebook/Alien Grey

In 1961, Barney and Betty Hill said that they were abducted by Grey aliens. The term Grey, at the time, was not yet in use but based on their descriptions of the 'aliens', they allegedly fall in the Grey category. Look Magazine published "Interrupted Journey" in 1966 detailing the American couple's account.

According to the Disclosure Project and based on the research of Dr. Steven Greer, Greys have been working with the U.S. government since the Roswell crash in 1947.

What They Want: Conspiracy theorists believe that Greys work for the Reptilians. Ufologists, on the other hand, say that they abduct humans to acquire genetic samples that can help them save their species from extinction.

Flatwoods Monsters

On September 12, 1952, at 7:15 PM, brothers Edward and Fred May, 13 and 12 respectively, were near a farm with their friend Tommy Hyer, 10. The three reportedly saw a UFO.

A National Guardsman who heard the boys' story that night went to the farm to locate what the three boys saw. The West Virginia National Guardsman Gene Lemon and two other boys allegedly found a pulsating ball of fire near where the crash happened.

A being described as 10 feet tall and green was seen in Flatwoods, Braxton County, West Virginia before the alleged UFO crash, witnesses say. The sighting of the 'alien' was mentioned in "The Braxton County Monster: The Cover-Up of the Flatwoods Monster Revealed" by Frank Feschino.

What They Want: There is no data or testimony that mentions what these alien species want.