Boris Karloff
William Henry Pratt
3 series
193 issues
Boris Karloff, also known as William Henry Pratt, has appeared in 193 comics since 1936. The most recent catalogued appearance dates to 2023. Most catalogued appearances come from Boris Karloff Tales of Mystery.
Real Name
William Henry Pratt
Hero Name
Boris Karloff
Publisher
First Appearance
Gender
Male
Birthday
November 23, 1887
Latest Series Appearances
Appears alongside
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