Thorndyke Thompkins, alias Second Sweep, was a member of the Minute Men of America, a group of teen heroes who fought alongside the first Hourman in the 1940s, taking a variant of the Miraclo Pills that gave them super-powers for one minute at a time.

Thompkins was one of the most active members, and even replaced Jimmy "Minute-Man" Martin as Hourman's foremost sidekick.

In his later years, the aged Thorndyke returned part-time to the Second Sweep identity as a member of Old Justice.



  • Power Limitation: The effects of his Miraclo wear off after one minute.
  • Restricted Mobility: Thompkins is an elderly man and requires a walker to move when not under the effects of Miraclo.



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