The man who once launched himself into orbit on a shopping cart now spends his energy grounding three teenagers—because the wildest stunt Knoxville ever pulled is refusing to let his own kids follow him into the Jackass universe.
While the world knows Johnny Knoxville for stapling his anatomy to index cards, the stunt he brags about most is simpler: keeping Madison, Rocko and Arlo off-camera long enough to choose college over concussion protocols. The math is blunt—three kids, two marriages, zero interest in a generational franchise—and Knoxville tells anyone who asks that Jackass ends with him.
Madison Clapp, 30 – The Set-Savvy Firstborn
Born January 4, 1996, to Knoxville and first wife Melanie Lynn Clapp, Madison arrived when Knoxville was a broke 25-year-old pitching sketch ideas to anyone who would listen. He calls the moment the nurse handed her over the only stunt that ever erased fear instantly. Today she’s an Oberlin graduate with LinkedIn credits that read “Associate Producer, Writer,” and she quietly ran lines with Knoxville on the set of his 2024 indie Sweet Dreams—proof the family business can be behind the camera instead of under it.
- Credits include art-department work for Topaz music videos.
- Instagram confession: she’s “getting Dad back” for years of nerd jokes.
- Officiated at Knoxville’s 2025 wedding to Emily Ting with the caption “over the moon.”
Rocko Clapp, 16 – The Pitcher with a Reckless Gene
Delivered December 20, 2009, Rocko is the reason Knoxville blocks Jackass on every household streaming profile. Knoxville told The Guardian the kid is “wired like my father”—a polite way of saying furniture moves when Rocko enters a room. Dad’s counter-move: funnel the energy into baseball. The strategy paid off when Rocko fanned Knoxville on national television, earning a proud “That was legit, buddy” from the world’s most injury-prone celebrity.
Arlo Clapp, 14 – The Makeup Artist in Charge
Born October 6, 2011, Arlo rules the household with blush brushes and negotiation skills worthy of a hostage-crisis pro. Knoxville’s 2024 Instagram photos—lipstick, glitter, resignation—were her work, and the comedian confessed he still had to “take them out for ice cream after.” Translation: even the king of pranks can’t say no to his youngest.
Why Knoxville Won’t green-light Jackass: The Next Gen
The ban isn’t performative. Knoxville told LADbible flat-out: “They’re going to school to use their brain for something other than a test dummy.” On the First Class Fatherhood podcast he admitted to full helicopter mode—checking homework, monitoring screen time, and screening every party invite. The man who once let a bull gore him in the groin now loses sleep over SAT prep.
Blended Family, No Blurred Lines
After divorcing Naomi Nelson in 2022, Knoxville married costume designer Emily Ting in November 2025. Madison’s public congratulations signaled the clan’s approval, and Rocko and Arlo walked the Wonka carpet with their dad months later—proof holidays, premieres and Little League can coexist even when the family tree keeps branching.
Bottom Line
Johnny Knoxville’s most outrageous stunt isn’t on MTV—it’s a three-child masterclass in contradiction: a human crash-test dummy who refuses to let anyone he loves repeat the experiment. Madison produces, Rocko pitches, Arlo paints faces, and Knoxville cheers from the safest place he knows—the audience.
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