The Yogscast are a group of YouTubers from the United Kingdom, who rose to YouTube fame after their Minecraft videos, namely Shadow of Israphel. The founders and creative force behind the Yogscast consist of Simon Lane and Lewis Brindley. Other people have joined the Yogscast since the group first started, back when Simon and Lewis played World of Warcraft. These people include Martyn Littlewood, Zoey Proasheck, Sips and Sjin aswell as Area 11.
You can find out more about the Yogscast by visiting the Yogscast Wiki.