Militant Monoform Movement

The Militant Monoform Movement, or Triple M, is a political/activitist/terrorist movement that existed on pre-war Cybertron. Given their name, they were probably not fans of alt modes.

Fiction

IDW Comics continuity

Blaster, reporting live for the Iaconian Newsfeed Service from the scene of an attempted assassination on Nominus Prime, stated that the Militant Monoform Movement were not suspected as the perpertrators, as the suicide bomber was seen transforming before he detonated.

Ratbat listed Triple M, the Cyberutopians and the Malware Brigade as examples of Senate-hostile groups the Senators could shut down by implementing the Clampdown. Chaos Theory Part 2

The AllSpark Almanac

Mudflap was a member of Triple M. The AllSpark Almanac Addendum