This is custom "TITANIUM MAN", from the Iron Man comics. I have seen the version of the T-Man in second wave of Iron Man movie series I don't really like it. I looked at many different comic photos and came up with this version and I like it.
The figures contained in the Custom Showcase are not for sale by Figure Realm, and the creators of the customs are no way affiliated with Figure Realm. The Custom Showcase is purely for entertainment purposes and only provides a means for the creators to show off their work. Figure Realm does not make or sell customs.
I kind of like that since I have a few of them lying around.