Religion: not determined yet
Name: Sgt. Mike Duffy
Other Names: Michael "Mike" Duffy; Sgt. Michael Duffy; Sgt. Thaddeus Duffy; Thaddeus Michael Duffy; Sgt. Duffy
First Appearance: Captain America Comics #1 (Mar. 1941): "The Chess Board of Death"
Number of Appearances: 7
Teams/Affiliations: U.S. Army
Ally: Captain America
Note: commanding officer of Steven Rogers (Captain America)
During World War II, Mike Duffy was the commanding officer over Steve Rogers (secretly Captain America) at Camp Lehigh.
Alongside his military colleagues Steve Rogers (Captain America) and Bucky Barnes, Mike Duffy was an actor in the Hollywood film "The Fascist," which was attacked by its own star (secretly a Nazi sympathizer) for its anti-fascism and anti-Hitler message.
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