Earl Scruggs who was not a comedian who plays Scruggs Style bluegrass banjo does a definitive version with Lester Flatt that you can listen to to see the difference and I'll post a link to his version at the end, but for now, I'll post Billy's version because it looks like he's having so danged much fun playing it.
You'll recognize Billy from parts he's played in a bunch of movies of late, including "Lemony Snicket's A Series of Unfortunate Events" with Jim Carrey. Billy's a very funny guy, but it's better if you catch him where there are some censors available to tone him down just a bit. He was also one of the voice actors in Disney's Brave with his rich Scottish brogue and played a part in the third of Peter Jackson's Hobbit movies "The Battle of Five Armies."
He's actually Sir William Connolly CBE, knighted by the Queen and everything. He's an odd little man, but very talented.
Here's Billy Connolly with Cripple Creek:
And you can find Earl Scrugg's version at this link. I play a very bad version of Cripple Creek on my homemade banjo but I shall spare you that particular torture. Stringbean, a famous Grand Old Opry comedian does a clawhammer version similar to Billy's, but at much higher speed. In fact, if you play banjo, Cripple Creek is probably one of the first tunes they teach you.
Tom