Jackass co-founder Johnny Knoxville plays an obnoxious octogenarian in his latest movie 'Jackass presents: Bad Grandpa'. <br /><br />It's the story of 86-year old Irving Zisman who sets off on a journey across America with the most unlikely companion: his eight-year-old grandson Billy.<br /><br /><br />...<br />http://www.euronews.net/