Strongest Character Citizen Steel Can Hurt?

Mr. Heywood was able to knock down Gog in two punches at full power

First:

With his full suit, strongest person in DC and Marvel he can hurt with his blows

Then:

Without his suit, strongest person in DC and Marvel he can hurt with his blows

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I think he could hurt someone like Darkseid or Thanos with his punches. Not saying he'd win in a fight with them, but he has the strength and durability to hurt them.

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