Glasnost

Glasnost is an Autobot from the Generation 1 series.

Glasnost was one of the many casualties of the war for Cybertron before the launch of the Ark.

(Note: glasnost is a Russian word for "publicity" or "openness".)

Fiction

Dreamwave Generation 1 Comics

The Decepticons Frenzy and Rumble mention Glasnostas one of the various Autobot casualties while enjoying some downtime, getting to the "G"s in tallying up the known dead.

From Teletraan I: The Transformers Wiki, a Wikia wiki.