Renerian
From Transformers Wiki
The planet Renerian was visited by the Autobots in the past. Kup and at least one other Autobot were once stationed there and had to combat hostile natives on their own.
Fiction
The Invisibility Factor
When Kup and Hot Rod needed to retrieve the Invisibility Device from a squad of Decepticons, Kup recalled a time when he found himself in a similar situation on Renerian. He related the tale to Hot Rod, and the pair used used Kup's strategy to retrieve the device. The Invisibility Factor
