it is indeed an arm blaster, like that of Megaman, though I try not to think of it as one. this gun unlike Megaman's is removable, and there is a fleshy arm there, not machine xD
the original Aves (a.k.a Aves W Longfeather) was always your typical bada##. He was (and still is) apart of a series I created years ago. and that series I'm reviving as a graphic novel style webcomic =) I'm coloring the first page now as we speak