I’ve not seen either of the Jackass movies, and I have no desire to, but I found this description of Johnny Knoxville’s muse to be quite humorous.

He (Knoxville) is quick to attribute his success “if one calls conjuring up abusive situations a success” to some special “muses,” including whiskey, ignorance and not wanting to take on a 9-to-5 job. – The Daily Evergreen