If you notice, most other sites have a little icon that they post on their profile to signify that they are Admins. It's small, and it goes on the corner of your profile. Check this out:
I was thinking if we could have a similar thing, and it ould be something that we can all identify with. It could be something like the Bio Uzi, the original magnum from Raze 1, Cpt. Simmons' Helmet, or some other, identifiable symbol. I suggest this:
That's a Raze Soldier helmet; it is almost (if not completely) exactly the same in both games, everyone knows it and who wears it, it probably will never change, and it's small.