Angels? [ Like the angels on Eridan's planet, the ones he murdered? ...Probably not. ] Mm, so far I've meet a "koopa" and a "bob-omb". They were from the same world, though.

That depends entirely on your definition of "organized", I would think! I come from a point in time when there are only, oh, five and a half of our species left alive. [ Not counting certain adults. ]