|Purpose of invention||to destroy planets in an easy to wield size weapon|
|First appearance||The Beast with a Billion Backs|
The Planetary Annihilator is a deadly weapon that is used to destroy planets but is also easy to wield. Members of the League of Robots have been known to use them. Bender chooses these for his duel with Calculon, resulting in Calculon getting badly damaged. The weapon destroys anything it touches and increases in diameter the further it goes.