Small humanoids with large heads, big black eyes, and grey skin. Often associated with abductions and medical experiments.
Human-like aliens with blonde hair and blue eyes. Described as tall, benevolent, and spiritually advanced beings.
Reptile-like humanoids believed to be shape-shifters. Often portrayed as manipulative and involved in Earth's power structures.
Humanoid beings said to originate from the Pleiades star cluster. Often depicted as peaceful and technologically advanced.
Insectoid aliens resembling praying mantises. Described as tall with triangular heads and large, compound eyes.
Highly evolved beings from Arcturus, often described as blue-skinned and possessing advanced healing abilities.
Humanoid beings from the Andromeda galaxy, said to be tall with blue skin and committed to galactic peace.
Aquatic or semi-aquatic beings said to come from the Sirius star system. Associated with ancient Egyptian civilization.
Pale, tall humanoids with large eyes and white hair. Reportedly involved in technology exchange programs with humans.
Ancient astronauts from Sumerian mythology, believed by some to have genetically engineered humans for gold mining.
Feline-like humanoids said to originate from the Lyra constellation. Considered one of the oldest extraterrestrial races.
Similar to Greys but from Zeta Reticuli star system. Known for alleged involvement in cattle mutilations and abductions.
This list provides brief descriptions of various alleged alien types that have been reported in UFO encounters, conspiracy theories, and popular culture. It's important to note that there is no scientific evidence supporting the existence of these extraterrestrial beings.