Listen to the sound clip Completely useless from Invader Zim 2 Sounds: Completely useless Completely useless This sound is from Invader Zim 2 Sounds With the animated exploits of extraterrestrial interloper Invader Zim, journey beyond space! Zim, an extraterrestrial invader from the planet Irk, is at the core of it as he seeks to conquer and/or obliterate a satirical, dark version of Earth. Go to the full soundboardwith more sound clips Search