His biggest, as in his heaviest? He went up to 212 pounds of fat for Copland. He was also heavy in Rocky Balboa (2006), but by far he was his BIGGEST in Rambo IV in 2008 where he claimed to be 219 pounds. And for the record, he weighed 190 pounds in Rocky I and 202 pounds in Rocky 2. In Rocky 3 and Rocky 4 he went down to 155-160 pounds (which is the same time frame he made Rambo II and Rambo II). Anyway, here he is in 2008 in Rambo IV at his heaviest (most beefed up by far) and what's crazy is that he was in his early 60's here: