:dunno:meh, I'm an icon man myself.
c147/c608: looks like police riot helmets:Hmmmm: but still kina cool.
c130 air: fighter pilot/ish (like collin said)oo:
shinai: some kind of futuristic army trooper/spec ops helmet that'd you would see in a sci-fi movie. which is nice (wouldn't wear one personally though)
b2: looks almost bug-like to me?:dunno:
of course, only my opinion!