The hyena jaws were designed to swing down and away from the rest of the head, forming a more distinct grasping hand for the robot mode. This feature is shown on the packaging photographs, but on the final toy it was "neutered" by the addition of rigid plastic pegs locking the jaws into the skull. It is possible to carefully break these pegs in order to restore the feature.Frostbite was part of the final wave of standard-retail Universe product.