Last year's box office hit Pacific Rim pitted humanity's last hope‚ÄĒgargantuan co-piloted mechas, known as J√§gers‚ÄĒagainst a seemingly unstoppable race of city-sized sea monsters bent on destroying our world in two hours of special-effects laden mayhem.

Here's how ILM managed to make these monsters‚ÄĒboth good and bad‚ÄĒso terrifyingly realistic.