Complex sentence: He has been a writer for the Comedy Central Roasts of David Hasselhoff, Joan Rivers, Larry The Cable Guy, Bob Saget and Flavor Flav and wrote for the TBS Celebrity Roast of Cheech and Chong.
Split into simpler sentences: He has been a writer for the Comedy Central Roasts on behalf of David Hasselhoff, Joan Rivers, Larry The Cable Guy, Bob Saget and Flavor Flav. Joyce wrote for the TBS Celebrity Roast of Cheech and Chong.