Twelve-of-Twelve
- Twelve-of-Twelve is a Transformer from the IDW portion of the Generation 1 continuity family.

Twelve-of-Twelve is a member of the Functionist Council, where he fills the role of "Castigator".
Fiction
IDW Generation 1 continuity
The Functionist Universe
In an alternate timeline, Twelve-of-Twelve was present at a meeting of the Functionist Council at The Cog where the Evaluator Ten-of-Twelve reported on replacing of the Primal Vanguard's eyes with cameras, successfully converting them into the first of the Council's full spectrum surveillance agents. Subsequently, the Enactor Six-of-Twelve reported that their theoconomists had consulted the Grand Cybertronian Taxonomy over the proposed mass recall of the data slugs and while a strict reading suggested that they still had functional value, their ability to store large amounts of data threatened the Functionists' ability to rule, so the Convener One-of-Twelve overruled the theoconomists and ordered their obsolescence chips to be detonated. The Custom-Made Now
Hovering above the ground and flanked by Functionary enforcers, Twelve-of-Twelve announced to the recently arrived Team Rodimus that they were all under arrest. Rodimus tried to talk his way out of the arrest before Rewind realized that they'd traveled to another universe. Twelve-of-Twelve just watched them impassively. Some Other Cybertron


