Brahma mix. If he attacks you, he will attack other people, so be sure to let people who might want him know that. He definitely shouldn't be around children or anyone that doesn't have a lot of experience raising chickens.
I agree with bantamsrmyfav-- looks like a Brahma mixed with something with a large single comb like Leghorn.
I agree with bantamsrmyfav-- looks like a Brahma mixed with something with a large single comb like Leghorn.