Offered a spot on "Saturday Night Live" (1975), but turned it down. Later, on May 7, 2005, he hosted the show.
His ex-wife Melanie is from Texas and is a clothing designer. They have a daughter named Madison, born in 1996.
There was a bidding war between Comedy Central and MTV over Johnny. MTV won, thus "Jackass" (2000) was born.
Was knocked unconscious 3 times during making of Jackass: The Movie (2002).
Has worked with actor David Koechner on three different films: Life Without Dick (2002), The Dukes of Hazzard (2005) and Daltry Calhoun (2005).
He is friends with heavyweight fighter Eric "Butterbean" Esch. At the Larry Holmes v. Butterbean fight in 2002, he autographed fight promoter Frank Azzalina's model - daughter Stephanie Amaya's evening gown.
Has a scar on his scalp from getting a punch from professional super-heavyweight boxer "Butterbean" during a segment of Jackass: The Movie (2002).
Won his role in Grand Theft Parsons (2003) after Hugh Jackman had to drop out due to prior commitments.
Executed co-star Dwayne Johnson's signature WWE finisher, "The People's Elbow" in Walking Tall (2004).
Was listed as a potential nominee on the 2006 Razzie Award nominating ballot. He was suggested in the Worst Actor category for his roles in the films Daltry Calhoun (2005), The Dukes of Hazzard (2005) and The Ringer (2005), however, he failed to receive a nomination.
He and his girlfriend, Naomi Nelson, became the parents of a boy, Rocko Akira Clapp, on December 20, 2009 in Los Angeles. Rocko weighed in at 8 pounds and measured 20 inches.
Second child with wife, Naomi Nelson, a daughter named Arlo, born October 6, 2011.