FACT FOUR: They Never Meant to Call It That To keep the movie a secret, the project was given the codename “Cloverfield,” after a street near Abrams’ office. The filmmakers had planned to release the movie as Greyshot, the name of a key Central Park location. But the temporary title spread through the internet so quickly that crew decided to keep it.
There you go. Teeehee. I know I'm jobless. Found it on http://www.cloverfield-movie.com/blog/.
BigDummy.