Big Brother is entering the half-way stage so here is a short round-up of five of the remaining nine established characters and how they fair in the betting market.AisleyneCurrent Odds: 20/1Aisleyne was voted into the house next door but will return to the main compound which will shock the other housemates as they thought they had got rid of her and her constant singing of hip hop songs that nobody has heard of. Aisleyne is the strongest female character but her fake ghetto speak and snapping…See More