Each member can join a mini guild by some of our moderators:

InfernoXD: http://www.gaiaonline.com/guilds/?guild_id=192765
Skyline XD: http://www.gaiaonline.com/guilds/?guild_id=177369
ZX Warriors: http://www.gaiaonline.com/guilds/?guild_id=193229
ZX Dragons: http://www.gaiaonline.com/guilds/?gmode=index&guild_id=194595
MI7: http://www.gaiaonline.com/guilds/?guild_id=194605