Regulon Four

Regulon Four is a planet in the Generation 1 continuity family.

Regulon Four is a planet in the Regulon star system. It is home to fearsome creatures known as Regulon metalmongers.

<div style="width: 90%; margin: 0 auto .2em auto; background-color:#efefef; border: 2px solid #eeeeee; padding: 2px; text-align: left;">Note: The original spelling from the Generation 1 cartoon appears to be "Regulan", but the 2005 comic Descent Into Evil established "Regulon" as the correct spelling. Since the previous spelling never appeared in print, the 2005 spelling is considered the official one.</div>

Fiction

Kup and his platoon were once stranded on Regulon Four and beset by metalmongers. The Rebirth, Part 2

Later, the Autobots Chromia and Flareup defeated the Insecticon Buzzclaw there. Descent Into Evil