Media Blasters has the US DVD rights!!!!
Gamera the Brave will see an official region 1 release in 2008! Read the article here:
http://www.scifijapan.com/articles/2007/11/09/media-blasters-picks-up- gamera-the-brave-and-other-recent-kadokawa-titles/
The creature in "The Fog" is just a giant lame octopus