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That'd depend on various conditions, such as what kind of secret agent and whether I'm a specialist or generalist (Bond's a generalist, Q is a specialist; specialists are usually support, generalists are the field agents and jacks-of-all-trades), and whether there's any required realism in this or it's purely Bondage, so to speak.

"Sea Wasp" would of course be a candidate -- if I wasn't known by that name already.

"Lensman" would be an attractive candidate, because it means something to me but to those unfamiliar with it might make them think I was a specialist in optics or something.

"Virigar" if I was going to be a generalist with a License to Kill. :)