History of character is unknown.
enemy of Mary Marvel
- 2 Appearances of Nightowl (Earth-S)
- 1 Images featuring Nightowl (Earth-S)
- 1 Quotations by or about Nightowl (Earth-S)
- Character Gallery: Nightowl (Earth-S)
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This character is or was primarily an enemy of Captain Marvel, the Wizard Shazam, or any of the extended members of the Marvel Family. This template will categorize articles that include it into the category "Marvel Family Villains."