HistoryEdit. . .
- "And thus, the lineage of the Primes, comes to an end."
- — Metronus's last words
- Metronus's working names were Destructocon, Cyclonus, Imperius and Bruticus.
- James Remar, John DiMaggio and Mark Hamill were considered for the voice of Metronus.
- Thomas Haden Church, and JK Simmons were considered for the voice of Devastaisous in Robots in Disguise: The Movie.
- Jack Mozenrath chose the designation of D-18 due to it sounding like "diety".
- Originally, it was to be Predaking who killed Metronus, instead of Goldbug.