hippo 3d model

make a hippo but divide it into parts of separate mesh, make a rear left leg, right left leg, front left leg, front right leg, a torso, the tail should be rigid to the torso, and a head, make 3 heads, the first head should have the hippo mouth closed, the second should have it opened, the third should be an opened hippo mouth but split, the third hippo head should have the upper jaw, the upperjaw of the hippo head must have teeth and include the rest of the upperhead, the lower should be the lower jaw of the hippo, which should have the tongue, and the mouth