He's adorable! What kind of bird is he? I myself have two zebra finches (one of which was named after a certain blue haired super villain) and my sister would probably kill for a portal gun like that XD It's a great picture! I wish I could get my birds to pose like that.
The gun was part of a limited edition run by N.E.C.A. As far as I know, they're done with the plain portal gun, but they will be doing a run of 5,000 of P-body's gun in the future, so keep an eye on their Facebook page for details.