Ghennix

Ghennix is a planet from the Generation 1 continuity family.

Ghennix's in Unicron's tummy now. It used to have 60 billion inhabitants.

Fiction

Marvel Comics

Shortly after being awakened by Primus's Scream, Unicron devoured the planet Ghennix. Three low-life crooks attempted to escape the planet's destruction, only to be caught and reformatted by Unicron. Now dubbed Hook, Line, and Sinker, the Chaos-Bringer sends them into an alternate future to abduct Galvatron. All Fall Down