Rust Giant

The Rust Giants are mechanical beings of unknown origin. They are likely covered by rust, have mostly similar shape but can vary in size.

Fiction

IDW Generation 1 continuity

While in the vicinity of Miliarium, the crew of the Lost Light stopped to liberate a city under attack by Rust Giants. How Bright Their Frail Deeds

In a marketplace on Troja Major, Anode stole a set of mood pipes from a Rust Giant merchant, who demonstrated his displeasure by chasing Anode, Lug, Velocity, and Nautica through the crowded market. An Axe to Break the Ice