Undoubtedly the stupidest, strongest, most accomplished crazy athlete I have ever seen:
Crazy Russian doing some sort of, erm, "street athletics" thing
Small-budget production companies could save a fortune in CGI by just having this bloke around: "just jump backwards off this 25-foot-high ledge would you, Ivan?" The sad thing is that such skilled, idiotic strength which once would have got him a place as a stuntman is pretty pointless these days. People would see it in a movie and just assume wire-fu.