Peptex

Peptex is a Cybertronian settlement close to the Rust Spot.

Fiction

2005 IDW continuity

Bludgeon intended to execute Orion Pax by strapping him to a shuttle in the Rust Spot and sending it crashing and burning into the nearest settlement, though he wasn't sure if this would be Peptex or Iacon. The Waiting Game

Beast Wars: Uprising

Peptex was largely populated by Predacons. Unsurprisingly, it fell to the Resistance during the Grand Uprising. Safe Spaces