The Obsidian Empire
Entertainment, Games, Video Games, Clans and Guilds - The Obsidian Order. Plays PlanetSide, Jedi Academy, Elite Force, Halo, and Unreal Tournament 2003.
http://obsidianempire.com/
The Black Knights
The Black Knights is an online game clan that plays many massively multiplayer online role playing games and sim or simulator games such as a unified clan with a family atmosphere.
http://www.blackknightsclan.com/