from Scientology
As described by L Ron Hubbard in the sequence, Teegeeack was the original name for Earth in the time of the galactic dictator Xenu (or perhaps Xemu)
Teegeeack – artist rendering
The residents of Teegeeack were killed, nuked and brainwashed by Xenu. They ended up as flea-like parasites called body thetans who infest humanity to this very day.
References
wikipedia: Teegeeack