I've wondered that very thing, but it never really bothered me enough to look it up, even though its a household name..even gun people know what it is. (an evil assault rifle probably)
Well, not surprisingly, it's named after the guy that had the idea and made it a reality. From Israel no doubt. Major Major Uziel Gal
Now that you know that, enjoy this Hickhock45 video putting an Uzi, suppressed and non-suppressed, through it's paces.
putting cable off in every room