History of character is unknown.
- 2 Appearances of Clock I (Earth-One)
- 1 Images featuring Clock I (Earth-One)
- Quotations by or about Clock I (Earth-One)
- Character Gallery: Clock I (Earth-One)
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|Superman Villain(s) |
This character is or was primarily an enemy of Superman in any of his various incarnations, or members of the Superman Family. This template will categorize articles that include it into the "Superman Villains category."