Yes, CKY is the original, but Jackass is done by the folks who brought you CKY....so there. CKY is only more hardcore because it's not edited/censored for television.
Trust me, Bam gets a cut of Jonny Knoxvilles cheque...
"Driving is like a narcotic, an addiction that can take over lives. It ruins people, breaks families apart, and even kills. Itís habit that needs to be fueled. Time, money, rationality, sweat, knuckle skin, and anyone who disapproves are of little importance to a driver, and are often overlooked. Hi, Iím Nelson, and Iím a drivaholic."