"When some people would deliver a pizza to the house, [my dad] would open the door and go, 'Home of Johnny Knoxville,' because he was proud," he says. Knoxville — who's dad to son Rocko ...

Johnny Knoxville: Well, I prepared my whole life for this role. I'm a father of three. I have two daughters and a son. A lot of my friends have been in recovery. My father was an alcoholic.

Johnny Knoxville, who was playing Ken in the video ... However, Knoxville mentioned that he plans to keep his son, Rocko, out of trouble.