Steve-O, original member of MTV's Jackass turned stand-up comedian, has postponed six shows at Punch Line Comedy Club in Sacremento.The daredevil comic notified the venue on Monday afternoon, just hours after his friend and college Ryan Dunn died in a car accident in Pennsylvania.

The 34 year old Dunn drove 2007 Porsche off the road early Monday morning, after being photographed with friends at a local bar.

Steve-O and Dunn appeared in three Jackass movies toghether, as well as the Jackass TV series, which ran from 2000 to 2002, and anumber of TV specials.

Steve-O, who hasn't commented on his decision, expressed his distraught over twitter. Steve-O tweeted:

I don't know what to say, except I love Ryan Dunn and I'm really going to miss him.