Mike Mannigan was the partner of Michael Garret for twenty-five years on the police force of an unnamed city.
- His last name is sometimes mistakenly spelled "Manigan" or "Mannigin".
- This version of Mike Mannigan, including all history and corresponding appearances, was erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths limited series. Even though versions of the character may have since appeared, this information does not apply to those versions.
- 39 Appearances of Michael Mannigan (Earth-Fox)
- 2 Images featuring Michael Mannigan (Earth-Fox)
- Quotations by or about Michael Mannigan (Earth-Fox)
- Character Gallery: Michael Mannigan (Earth-Fox)
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