Jackass Presents: Bad Grandpa Jackass ringleader Johnny Knoxville reprises his role as 86-year-old Irving Zisman in the story of a crotchety old man unexpectedly saddled with the care of his 8-year-old grandson, Billy (Jackson Nicoll). The two generations of troublemakers soon develop a bond, as they hustle their way across the heartland of America pursuing […]