R.E.V.s RUMBLEFIST. The metallic blue Cobra emblem was made by printing a Cobra logo in white with a black background onto a piece of paper, and then running a second piece of paper through a copy machine onto a piece of paper with a bit of blue metallic paint on it. The dry copier toner adhered better to the paint on the paper. I'm actually working on a "B.A.T. 7a" that also uses Rumblefist, but doesn't require as much repainting, which would be suitable for a "mass production" model. This was one of the harder customs I've done, since a R.E.V.s doesn't disassemble as much as a G.I.Joe.

B.A.T. v.7
Cobra Battle Android Trooper
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The latest incarnation of the long-running Battle Android Troopers for Cobra looks like a rather ungainly framework and little else. But don't be fooled. New advances in micro-hydraulics have made the B.A.T. v.7 just as physically strong as any of its predecessors, and the distinctly slender profile makes it a much harder target to hit. The various "holes" along its framework are actually standardized sockets into which a wide range of weaponry can be plugged. This newest B.A.T. isn't limited to switching out its arms for assorted firepower. If it wants to, it can attach a rifle to one leg, a flamethrower to another, a machine gun to one arm, and a missile launcher to the other, and then head off into battle with everything firing all at once!
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From General Hawk's Files: "The intel on the newest B.A.T. is scary. The thing has an inhumanly narrow profile, and can arm itself in ways that a human being can't. Most previous models of the B.A.T. can be dealt with - well, not easily, but we've found ways to take care of them. This thing is going to require a whole new level of research and tactics. As far as we know, Cobra's only got one working model, an advanced prototype that is just one step under mass production. If its testing phase succeeds, they'll probably be all over the place. And we can guess who they're going to test it against!"