History of character is unknown.
- 5 Appearances of Doctor Caligan (New Earth)
- 1 Images featuring Doctor Caligan (New Earth)
- Quotations by or about Doctor Caligan (New Earth)
- Character Gallery: Doctor Caligan (New Earth)
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This character is or was primarily an enemy of the Teen Titans, the Titans, or any of the other various Titans incarnations. This template will categorize articles that include it into the "Titans Villains" category.