Johnny Knoxville: Johnny Knoxville. Writer: Jackass Presents: Bad Grandpa. Johnny Knoxville was born on 11 March 1971 in Knoxville, Tennessee, USA. He is a writer and producer, known for Jackass Presents: Bad Grandpa (2013), The Dukes of Hazzard (2005) and Teenage Mutant Ninja Turtles (2014).
