Wtf is this?

I bought chicks this year from a local feed store that I’ve never bought from before. This chick was sold to me as some kind of olive egger pullet. But she’s extremely aggressive, so much so that I’ve had to separate my brahma chicks from her due to injuries. I have another that is extremely malnourished and I’ve noticed it’s this particular chicken that won’t let her eat (my older gals make it known that they’re in charge, but never stop the younger ones from eating) she also pecks me anytime I come near her, but if I’m out cleaning the coop or changing the water she insists on sitting on my shoulder and jumping off to attack any chicken that comes near me. there’s no signs of spurs, there’s been no crowing, and she barely has a comb at all. Could this be a roo? And is she even an olive egger? I named her Kyle just in case. Regardless…she sucks.