Ghennix

Unicron starts the day off with a heavy breakfast.

Ghennix is a planet.

Fiction

Marvel Generation 1 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 sent them into an alternate future to abduct Galvatron. All Fall Down

Animated

Ghennix used to be located at the outskirts of the Vestial Imperium, but the whole planet was somehow destroyed. The AllSpark Almanac II

Notes

• Ghennix is quoted as having 60 billion inhabitants. That's either a really big planet, some really tiny inhabitants, or a pretty densely populated world. Your choice.