1) Mythological people 
Xenu (uː), also called `Xemu`, was, according to Scientology founder L. Ron Hubbard, the dictator of the `Galactic Confederacy` who 75 billion years ago brought billions of his people to Earth (then known as `Teegeeack`) in a DC-8-like spacecraft, stacked them around volcanoes, and killed them with hydrogen bombs. Official Scientology scrip...