Jhonen C. Vasquez is an American cartoonist, writer, producer, and director. He is best known for creating the Johnny the Homicidal Maniac comic book series and the Nickelodeon animated series Invader Zim.

Invader Zim is an American animated science fiction dark comedy television series created by comic book writer and cartoonist Jhonen Vasquez for Nickelodeon. The series centers on an extraterrestrial named Zim, from the planet Irk, and his mission is to conquer Earth and enslave the human race along with his malfunctioning robot servant GIR. He is antagonized by Dib, a young paranormal investigator who is determined to stop Zim from succeeding.