Sean Cliver is a producer, writer, and photographer known for his work on the Jackass TV series (2000-2001), Jackass: The Movie (2002), Wildboyz (2003-2005), Jackass Number Two (2006), Jackass 3D (2010), and Jackass Presents: Bad Grandpa (2013). He also works as an illustrator in the skateboard industry, and published two books on its graphic design history.