Dib is a fictional character from the Nickelodeon animated television series, Invader Zim. He is Zim's rival and is highly unpopular at school (where he shares a class with Zim) and at home for his broken record obsession with the paranormal, aliens, Bigfoot, the Loch Ness Monster, and other phenomena. Dib has been obsessed with the paranormal and supernatural since an early age, as seen in the episodes Bad Bad Rubber Piggy and Mysterious Mysteries.