Vizam was one of the several Nikto under the employment of Jabba the Hutt. He worked as Jabba's weapons master. When Luke Skywalker, Chewbacca and Han Solo escape being fed alive to the great pit of Karcoon, Vizam uses an Anti-Personel turret to shoot at a skiff which had Han, Chewbacca and Lando on board but is killed by Luke Skywalker.