|This object exists primarily or exclusively within the Pre-Super Genesis Wave continuity.|
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
The Weather Annihilator was a device created by Dr. Ivo Robotnik in 3235.
The device allowed Robotnik to control weather conditions in specific areas. It was eventually destroyed by the combined forces of the Knothole Freedom Fighters and Arctic Freedom Fighters. (StH: #26)