When a disgruntled postal slave switches the addresses on two packages, Zim is sent the most powerful, state-of-the-art killing robot in Irken possesion. When he decides to use it to kill Dib, the entire town sees him without his disguise, as the robot cloaks itself and not Zim, but Zim is oblivious to this fact. Invader Zim belongs to Nickolodeon and Jhonen Vasquez.