Dr. Sigi
Hanfred Sapp
2 issues
Dr. Sigi, also known as Hanfred Sapp, has appeared in 2 comics from Harry A. Chesler/Dynamic since 1941. The most recent catalogued appearance dates to 2021. Team affiliations include Nazis. Most catalogued appearances come from The Liberty Brigade - The Heroes Files.
Latest Issue Appearances
Teams
Teammates
Captain America
Steve Rogers
Jimmy Olsen
James Bartholomew Olsen
Mr. Sinister
Nathaniel Essex
Adolf Hitler
Adolf Hitler
Red Skull
Johann Schmidt
Dr. Nemesis
James Nicola Bradley
Frankenstein's Monster
Adam
Negative Man
Lawrence Michael Trainor
Baron von Strucker
Wolfgang Von Strucker
Baron Heinrich Zemo
Heinrich Zemo
Appears alongside
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