Miliarian

The Miliarians are a sentient species that live on Miliarium. Thanks to their natural radiation resistance, their culture focuses heavily on industrial engineering and nuclear physics, and many Miliarians are expert starship engineers.
Fiction
2005 IDW continuity

During a conflict with Rust Giants, a Miliarian city near a nuclear power plant was liberated by the Autobots of the Lost Light. The events were almost immediately reported on the Galactic Bulletin. How Bright Their Frail Deeds
Beast Wars: Uprising
During his travels across the Milky Way, Lord Imperious Delirious had gained memories of Miliarian information theory. During the Vehicon Apocalypse, these were among the memories destroyed by Rampage when he infiltrated the Grand Mal to gain his foe's attention. Derailment
Games
Transformers Roleplaying Game
The Miliarians developed interstellar travel roughtly two hundred years ago. A number of Miliarians lived on the Omnicron Flotilla. The Time is Now
Notes
- It is very likely that the Transformers Roleplaying Game's description of the Miliarians and their culture is based on the fact that, as of 2022, the only thing we knew about them was that some of them lived near a nuclear power plant.

