|This transformation exists primarily or exclusively within the Sonic X continuity.|
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
The Serpenter was formed by Eggman to combat Sonic the Hedgehog when he arrived to foil his plans. However, the Serpenter destroyed a good luck bracelet Amy Rose made for Sonic, throwing her into an extraordinary wrath. She tore the Serpenter apart in vengeance.