Hans Otto Krebs was a German undercover agent that worked several years with the top Nazi espionage unit called the "Schatten".
He posed as the Unknown Soldier to get the personal file, of said Unknown Soldier that only a few people knew the existence of. One of them was Major Dawes, whom he killed to leave no witnesses. Unfortunality, Hans was tricked by his colleague, Helga, who threw him with Dawes into an acid tank, killing Hans in the process.
- 1 Appearances of Hans Otto Krebs (Earth-One)
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