Jhonen Vasquez is an American cartoonist, writer, and animator, best known for creating the comic book series Johnny the Homicidal Maniac and the animated television show Invader Zim. His work often features dark humor and unique art styles, appealing to fans of alternative and underground comics. Born on September 1, 1974, in San Jose, California, Vasquez began his career in the 1990s. He has also worked on various other projects, including Squee! and I Feel Sick, and has contributed to video games and merchandise related to his creations. His influence can be seen in various aspects of pop culture.