What do the abramovici twins look like in batman arkham city

They look like huge, muscular men. They are both missing one arm, as they were born as conjoined twins and were joined at the shoulder. Hammer has clown make-up on, is missing his left arm, and holds a huge sledgehammer in his right. Sickle is missing the right arm, and has a sickle in the other. Both have numerous tattoos, Sickle has the Penguin's mark on his chest.