Ricky Gervais and Stephen Merchant, best known for the TV shows "The Office" and "Extras", started out on the, then small-time, radio station XFM. Their producer at the time, Karl Pilkington, began to feature on the show and soon was a fully fledged member of the team. Since the XFM show, the three have done 5 series' of their hugely successful podcasts. Read more on Last.fm