Alpha 9

Alpha 9, or Alpha IX, is a planet.

Fiction

The Transformers cartoon

A battle took place on it at some point in time, in which Kup participated. Petro-rabbits were also involved, so it seems those are a native lifeform of Alpha 9. The Transformers: The Movie

The AllSpark Almanac

Alpha IX was a robotic planet in the Autobot Commonwealth. Transformers Animated: The AllSpark Almanac II

Knights of Unicron

The Petro Rabbit Cantina, located on Alpha IX, was also the twelfth venue for the Knights of Unicron on their 2014 "Till All Are One" tour.Knights of Unicron