This is Giant Torayan, a baby-faced fire-breathing robot, made out of aluminum by Kenji Yanobe. It's apparently on display this weekend in Japan.
Here's some video footage of Giant Torayan in action:
There's lots and lots of Kenji's creations on display here. And here's an interview of Kenji by Giant Robot.
*Previously: Baby monitor picks up video from Space Shuttle.
*Buy giant robots at eBay.