Complex sentence: He was a stand-up comedian before he became famous for "Are You Dave Gorman?", then took a break from normal stand-up to undertake a sponsored hitchhike around the pacific rim countries.
Split into simpler sentences: He was a stand-up comedian before he became famous for "Are You Dave Gorman?". Gorman took a break from stand-up to undertake a sponsored hitchhike around the pacific rim countries.