I did some sleuthing and found their MySpace page. There are pictures of them doing a modified version of our diamond symbol:
One of the pictures
This is the kicker -- you know they're copying us because:
THEY ORIGINIALLY CALLED THEMSELVES THE ADELPHEAN SOCIETY:
Pic 1
Pic 2
Yes, its been said that imitation is the biggest form of flattery, but this is down right ridiculous.