Xenu is an evil dictator of the Galactic Confederacy. According the the sources about Scientology written by science-fiction author L.Ron Hubbard. This event supposedly took place over 75 billion years ago, he brought the people to Earth and set them all up in volcanoes and then killed them with some nuclear hydrogen bombs.
Xenu is a gray alien creature with a red suit. Xenu has glowing yellow eyes and thin black eyebrows. Xenu has a bunch of tiny gray tentacles on his head and a flap over his mouth that wiggles when he makes noise. Xenu's arms are gray tentacles.