R4-G9/Legends

R4-G9 was the astromech droid replacement for the lost R4-P17 on Obi-Wan Kenobi's Eta starfighter. It had a bronze dome.

On the planet of Utapau, Kenobi commands R4 to pilot the ship away to trick the MagnaGuard while he could search for General Grievous hiding on the planet.