Metrabelan Cosmic Cluster

The Metrabelan Cosmic Cluster was a star cluster that was likely located in the Mutter's Spiral. It was home to around sixty-seven thousand or sixty-eight thousand lifeforms.

When Mr Smith's memory was erased by the Armageddon virus he tried to remember the population number of the Metrabelan Cosmic Cluster. (SJA: The Lost Boy)