The Yogscast - producers of highly successful videos and podcasts - follows the adventures of Simon and Lewis. Their mainstream success started with the posting of World of warcraft videos, but they made it big with the introduction of their minecraft series.
The yogscast is a must watch youtube channel containing mostly minecraft gameplay, but also game trailers and other gameplay.
They also have a podcast called the YoGPoD.
Followers of the yogscast are called yognaughts or yognauts.