MFGG Night Crew
Also sometimes referred to as the MFGG Night Krew. A group of posters who post primarily at night (in some timezones, anyway), even though most Night Crew members also post during the day. Most members of the Night Crew are friends or at least respect each other, and the forum generally takes on a different atmosphere at night because of this.
Lately those who consider themselves part of the Night Crew have taken to putting images in their sigs announcing themselves as such. The Night Crew is open for anyone to join, provided they post during the designated Night Crew hours - which aren't exactly set in stone.
The Night Crew spawned countless imitators, such as Morning Crew, 24/7 Crew, and "I'm Constantly On Why Do I Put Up with This S[ ]Crew".