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Characters / Dr. Karl Hellfern

Dr. Karl Hellfern

DC · 2 appearances · 2014-2025

2 appearances on record
Dr. Karl Hellfern comics on eBay ›Graded copies ›

First appearance: the evidence

SourceClaim
This record CoverDetective Comics #291939-07

The record

Also recorded as: Dr. Karl Helfern, Karl Hellfern.

Related identities: Doctor Death.

Appearance ledger

IssueDate
Batman / Superman: Futures End #12014-11
Supergirl #62025-12

Sources

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