Jonas Eckhardt
8 appearances on record
| Source | Claim | |
|---|---|---|
| This record Profile | All-New Official Handbook of the Marvel Universe A to Z #1 | 2006-01 |
Two records, shown side by side. A dispute is information, not an error.
Also recorded as: Jonas Wilhelm Eckhardt.
| Issue | Date |
|---|---|
| Detective Comics #29 | 1939-07 |
| Detective Comics #30 | 1939-08 |
| Batgirl #44 | 2003-11 |
| Batgirl #49 | 2004-04 |
| Batgirl #50 | 2004-05 |
| 52 #49 | 2007-06 |
| Batman #682 | 2009-01 |
| Batman by Grant Morrison #2 | 2025-11 |
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