List of DC Comics characters: O

== Angel O'Day == == Chief O'Hara == Chief Miles Clancy O'Hara is a member of the Gotham City Police Department in the DC Universe based on the character of the same name from the television series Batman, portrayed by Stafford Repp. The character, as adapted by Edmond Hamilton and Curt Swan, first appeared in the DC Universe in World's Finest Comics #159 (August 1966).

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