sentences:  Invader Zim
  
  Invader Zim is an American animated dark comedy science fiction television series created by comic book writer and cartoonist Jhonen Vasquez for Nickelodeon.The series centers on an extraterrestrial named Zim (voiced by Richard Steven Horvitz), from the planet Irk, and his mission to conquer Earth and enslave the human race along with his malfunctioning robot servant GIR (Rosearik Rikki Simons).