King Crabs Attack started as a faux-trailer, and has now been turned into a 7 minute short film. Giant king crabs attack, people scream, pinchers pinch, all that stuff. Grégoire Sivan is the creator. Undead Backbrain has a bit more on the short.
Here is the trailer that sparked the short:
KING CRAB ATTACK ! from Jérôme Lozano (Headeater) on Vimeo.
Thanks to Avery for the head’s up!