In the 2011 Snickers advertisement , the character 's angry alter-ego , played by Joe Pesci , calms down after eating a Snickers bar .
Pesci appeared with Don Rickles in a 2011 Snickers advertisement in which he portrays the angry alter-ego of a young man who attends a party and becomes agitated by two women until he is calmed down by eating a Snickers bar.
Joe Pesci