Model X3Z
7 appearances on record
| Source | Claim | |
|---|---|---|
| This record Cover | Omega the Unknown #8 | 1977-05 |
Two records, shown side by side. A dispute is information, not an error.
Related identities: Omega the Unknown.
| Issue | Date |
|---|---|
| Action Comics #267 | 1960-08 |
| Action Comics #268 | 1960-09 |
| Superboy #110 | 1964-01 |
| Superman #239 | 1971-06 |
| Who's Who: The Definitive Directory of the DC Universe #21 | 1986-11 |
| Showcase Presents: Superman #2 | 2006-08 |
| Superman: The Man of Tomorrow Archives #3 | 2014-07 |
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