High Quality Content by WIKIPEDIA articles! Jhonen Vasquez (born September 1, 1974), also known as Chancre Scolex or simply Mr. Scolex, is an American comic book writer, cartoonist and music video director. He is best known for creating the animated series Invader Zim, which aired on Nickelodeon, aswell as the comic book series Johnny the Homicidal Maniac and its spin-offs Squee!, and I Feel Sick, all published under Slave Labor Graphics label.