- Sludge is an Autobot from an unidentified continuity.
Sludge is a member of the Dinobots. Isn't that nice?
- Snarl & Sludge (Deluxe 2-pack, 2003)
- A redeco of the Beast Wars Neo Predacon Sling, Sludge transforms into an organic dimetrodon. His beast-mode back-sail opens up to form a spring-loaded trap, also useable as a shield for robot mode. He was available only in a Wal*Mart exclusive two-pack with Snarl.