Turborat

Turborats are Cybertronian animals considered pests. They make almost constant hissing noises and appear to be able to convert their hind legs to wheels.

Fiction

Transformers vs. G.I. Joe

The Decepticons reduced the disgraced Autobot leader Rodimus to performing basic tasks such as catching turborats scurrying about in the planetary engines. A team of G.I. Joes were accidentally caught in one of the turborat traps, though they and one captured creature were set loose when Blaster attacked Rodimus. Form Follows Function

Energon Universe

When meeting Spike and Carly for first time, Cliffjumper compared the humans to turborats. Transformers #2

Wheeljack referred to the Skywarp-Teletraan hybrid as a "turborat-damned piece of garbage." Transformers #8

Starscream used the phrase "Turborat eat turborat!" while duking it out with Thundercracker. Transformers #16