This lego driven short features one of the less common methods of bringing Lovecraftian visions to life. The style appears to be modeled on a dream sequence. Legos aren't always the best medium for manipulating horrors, but they do have a unique look. Be forewarned: the volume on this video is a bit grating.
And, just for fun, a glimpse at what Cthulhu might look like in a couple major American cities:
-Grim Blogger