I've got 3 roosters and 11 hens. But 2 of the roosters are bantams, a Serama who gets his butt kicked by everyone, and a Porcelain D'Uccles rooster who is pretty aggressive, not to his girls but to the cats, us, and anything he sees as a threat. He even attacked our German Shepherd, my hand, and runs after me as if to tell me to stay away from his girls. He used to be really skittish, but now he's so full of testosterone he's gone nuts. If he was full size it might be an issue but since he's small I think it's funny.
. Then there is a Silkie rooster, but he's pretty much worthless besides mating a couple of his favorite girls and screaming when anything goes flying through the air. I really like roosters and miss my gorgeous EE rooster Ricky. He was the best