<p>WinterBoard theme of Invader Zim by Themonstremo. <br/> <br/>Invader Zim is an American animated television series that was produced by, and subsequently aired on Nickelodeon. The series revolves around an extraterrestrial named Zim from the planet Irk and his ongoing mission to conquer and/or destroy a dark and satirical version of the Earth. </p>