This is the G.R.O Casshern statue by RAWS. You can order one here or here for roughly $150. If that's a little much for you, there's a $10 Casshern action figure on sale at eBay. Gashapon, also.
Here's Casshern in a live action movie, smashing the heck out of a whole bunch of robots:
Casshern: Director's Cut is on sale at Amazon.