this creature was created by the Yuuzhan Vong, after the initial stages of their invasion of the galaxy. Oggzils were created to join with villips in order to enhance their communications abilities. Oggzils were fed a diet rich in metals, which they could digest and use to form their skeletons. This ability to assimmilate metals and form skeletal material from them allowed the Yuuzhan Vong to employ the oggzil as a living communications antenna. The Yuuzhan Vong then attuned the oggzils to the frequencies of the New Republic. This allowed the alien invaders to broadcast their messages on the Republic's frequencies via villips, without actually using mechanical technologies.