Abbadontus Hunger
From MediaWiki
You can't see me!

This character has no official visual representation in any Transformers product or media... yet, at least.
The Abbadontus Hunger is a malevolent entity that dwells in the the void between universes, one of many eldritch creatures that might threaten an unwary dimensional traveller.
Fiction
TransTech
Rhinox identified the Abbadontus Hunger as one of the many beings responsible for consuming the remnants of destroyed universes and maintaining the overall health of the multiverse. Andromeda - Axiom Nexus News, 2015/08/16
Vector Prime had encountered the Abbadontus Hunger in the past, but refused to give any details about the experience. Ask Vector Prime, 2015/09/06
Notes
- The Abbadontus Hunger presumably takes its name from the Biblical being, who commanded a swarm of locusts.

