Well, actually, Iron Man would be one of the easier secret identities to keep, since he's completely hidden inside the suit and isn't likely to leave any DNA evidence lying around. On the other hand, I gather that modern voice-recognition technology is pretty good at identifying voices even when they're electronically distorted, so he might have to avoid talking.
Really? I was reading up on voice-recognition tech for a CSI project and my impression that was that tech was nowhere good enough yet to compensate for electronic distortion. (I actually wanted to have Archie do something like that, but decided it was too unbelievable.)
I'm not challenging you, I'm just curious.