Maulers

The Maulers are a breakaway faction from the Galactic Council. Extreme in their robophobia, they have a reputation for being "legendarily violent."

Fiction

2005 IDW continuity

On December 24th 2015, the Lost Light was due to pass through Mauler territory. While the ship could easily go around their territory, Megatron refused to be intimidated by the Maulers, the crew instead placing themselves in Biometric Envelopment Device that masked their life signs as they snuck past. Silent Light