We all know it: Joe Biden is neither as calm nor as disciplined as his boss, President Obama. But as the president's overly-passive debate performance suggests, Vice President Biden's loose style may be just the thing for a hard-fought debate with Republican VP nominee Paul Ryan.
So what is Biden like as a debater? We gathered some of his sharpest attacks, his funniest zingers, and his strangest moments on the debate stage to find out. Take a look for yourself in the video above.