Ironfist was an assembly line worker in the factories of Polyhex, known only for a modest and agreeable personality that brought people together around him. None would have suspected that his profession was a front for his true passion as an underground weapon designer, for which he was known across the infosphere by the alias "Fisitron". When Ultra Magnus appeared at the factory one day and asked for him by name, Ironfist immediately thought that his illegal hobby had gotten him arrested, but the truth was even stranger: unknown to him, a routine physical examination had shown the origins of his mechanical genius to be a "combination spark" - a rare genetic mutation giving him the potential to innately bond and interface with other machines. Welcomed by Magnus as a new member of the Wreckers, the days of "Fisitron" having to conceal his true nature are long past, as he proudly discovers new ways to lend his ever-growing abilities to the Autobot war effort.

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There are no known variations of this figure.