My husband will not take up for me with his brothers, so how can I do it?

I am newly married and in a new country. My husband has 7 brothers and 2 sisters. His sisters are very sweet to me and one has even gone out of her way to take me to places in Melbourne just to show me the sites. She also has helped me get situation in our house. The problem is his pig headed brothers. They are the true definition of obnoxious jerks, in fact I believe their pics would be in the dictonary underneath the word. They make fun of my american accent, the fact I am southern, and for some reason they love to make fun of the fact I am a teacher......oh wow I shape young minds!! Thats hillarious=( When I tell my husband how it makes me feel and just laughs and says they are hazing me. Well I am tired of it. My sister in law says i should just start coming back at them. Does anyone know any good comebacks that 7 Australian Knuckleheads might actually get=) Thanks!