* Early Years: Before "Jackass", Knoxville was a skateboarder and journalist for *Big Brother Magazine*. He created the "Jackass" concept as a series of pranks and stunts for the magazine.
* MTV Success: MTV saw potential in the idea and greenlit a show called "Jackass" in 2000. The show featured Knoxville and his friends performing dangerous and outrageous stunts, often for comedic effect.
* Cultural Phenomenon: "Jackass" quickly became a cultural phenomenon, gaining immense popularity due to its unique blend of humor, danger, and outrageousness. It spawned several sequels and feature films, making Knoxville a household name.
* Beyond "Jackass": Knoxville continued to have a successful career beyond "Jackass", starring in films like "Men in Black II", "The Dukes of Hazzard", and "Bad Grandpa". He also produced and starred in other stunt-based shows like "Viva La Bam" and "Wildboyz".
In essence, Knoxville's fame is largely attributed to his willingness to push boundaries and perform dangerous stunts for entertainment, which made "Jackass" a groundbreaking and immensely popular show.