Professor Hossenfeffer
Karl Hossenfeffer
21 issues
Professor Hossenfeffer, also known as Karl Hossenfeffer, has appeared in 21 comics from Antarctic Press since 1987. The most recent catalogued appearance dates to 2020. Most catalogued appearances come from Ninja High School.
Real Name
Karl Hossenfeffer
Hero Name
Professor Hossenfeffer
Publisher
First Appearance
Appears alongside
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