Following the unveiling of the Borat inspired spin-off Jackass Presents: Bad Grandpa, featuring Johnny Knoxville in make-up as 86 year-old Irving Zisman, some new public service announcements for National Grandparents Day have been unveiled. Knoxville appears as Zisman with some advice about safe sex, prostate awareness and the nice gesture of an in-home massage, all for the grandparents out there just like Zisman. This movie just might bring Jackass back to the forefront of big screen comedy, which isn't surprising after three successful big screen ventures before. This may even spawn a spin-off sequel. Watch! Three PSAs for National Grandparents Day from Jackass Presents: Bad Grandpa via Paramount: Jackass crew member and film franchise director Jeff Tremaine is at the helm of Jackass Presents: Bad Grandpa, which he co-wrote with Preston Lacy. 86 year-old Irving Zisman (Johnny Knoxville) is on a journey across America with his 8 year-old grandson Billy, introducing the young and impressionable boy to people,...