Machina

The Machina were a race of sentient droids native the the desert planet of Cimtar.

Origans
The Machina were created during The Jedi Civil war by an extinct race known only as the Icarians. There planet was devastated by the Sith by planetary bombardment. After the Sith were finished only the Machina survived they developed a white hot ire against the very existence of the Sith for what they had done. But they did not have the man power at the time to fight back.