SWEEPbots

From the Sonic News Network, the Sonic Wiki

This character exists primarily or exclusively within the continuity of Archie Comics' Sonic the Hedgehog series. Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.

SWEEPbots were creations of Julian Kintobor from Anti-Mobius. They were employed to clean up litter left behind by the Anti-Freedom Fighters and to keep the planet clean. Their Mobius Prime counterparts are SWATbots.