Breger also produced G.I. Jerry, satirical cartoons about Hitler and others in the Nazi regime. There also was a postcard series titled Private Breger. The character remained a private throughout WWII, while Breger himself was promoted through the ranks to corporal, sergeant and eventually lieutenant. His August 25, 1945 cartoon was signed Lt. Dave Breger, indicating his final military rank. From 1943 to 1946, Private Breger was reprinted in David McKay's Ace Comics (1943–46) and Magic Comics (1945).
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